./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/verifythis/lcp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/lcp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1e47fbc54bff4eeebe072cdb8acf7cfe734a91f148fd421ae1769ba3b81a6f5a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:52:07,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:52:07,217 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:52:07,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:52:07,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:52:07,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:52:07,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:52:07,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:52:07,267 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:52:07,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:52:07,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:52:07,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:52:07,271 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:52:07,271 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:52:07,271 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:52:07,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:52:07,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:52:07,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:52:07,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:52:07,273 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:52:07,277 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:52:07,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:52:07,280 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:52:07,283 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:52:07,284 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:52:07,284 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:52:07,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:52:07,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:07,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:52:07,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:52:07,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:52:07,287 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:52:07,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:52:07,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e47fbc54bff4eeebe072cdb8acf7cfe734a91f148fd421ae1769ba3b81a6f5a [2024-11-08 22:52:07,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:52:07,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:52:07,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:52:07,736 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:52:07,737 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:52:07,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/verifythis/lcp.c Unable to find full path for "g++" [2024-11-08 22:52:09,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:52:10,107 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:52:10,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/sv-benchmarks/c/verifythis/lcp.c [2024-11-08 22:52:10,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/data/4b8449e5e/c7ca4bd14e0744cba2d3c329054f0088/FLAG3e639fa8e [2024-11-08 22:52:10,460 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/data/4b8449e5e/c7ca4bd14e0744cba2d3c329054f0088 [2024-11-08 22:52:10,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:52:10,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:52:10,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:10,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:52:10,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:52:10,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:10" (1/1) ... [2024-11-08 22:52:10,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b487a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:10, skipping insertion in model container [2024-11-08 22:52:10,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:10" (1/1) ... [2024-11-08 22:52:10,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:52:10,761 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/sv-benchmarks/c/verifythis/lcp.c[515,528] [2024-11-08 22:52:10,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:10,805 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:52:10,824 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/sv-benchmarks/c/verifythis/lcp.c[515,528] [2024-11-08 22:52:10,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:10,865 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:52:10,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:10 WrapperNode [2024-11-08 22:52:10,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:10,876 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:10,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:52:10,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:52:10,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:10" (1/1) ... [2024-11-08 22:52:10,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:10" (1/1) ... [2024-11-08 22:52:10,921 INFO L138 Inliner]: procedures = 20, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 85 [2024-11-08 22:52:10,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:10,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:52:10,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:52:10,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:52:10,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:10" (1/1) ... [2024-11-08 22:52:10,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:10" (1/1) ... [2024-11-08 22:52:10,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:10" (1/1) ... [2024-11-08 22:52:10,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:10" (1/1) ... [2024-11-08 22:52:10,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:10" (1/1) ... [2024-11-08 22:52:10,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:10" (1/1) ... [2024-11-08 22:52:10,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:10" (1/1) ... [2024-11-08 22:52:10,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:10" (1/1) ... [2024-11-08 22:52:10,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:52:10,956 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:52:10,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:52:10,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:52:10,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:10" (1/1) ... [2024-11-08 22:52:10,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:10,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:52:11,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:52:11,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:52:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:52:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:52:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:52:11,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:52:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:52:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:52:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:52:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:52:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:52:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:52:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:52:11,207 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:52:11,210 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:52:11,513 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-08 22:52:11,513 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:52:11,595 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:52:11,596 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:52:11,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:11 BoogieIcfgContainer [2024-11-08 22:52:11,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:52:11,599 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:52:11,599 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:52:11,613 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:52:11,615 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:11" (1/1) ... [2024-11-08 22:52:11,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:52:11,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:11,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-11-08 22:52:11,713 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-08 22:52:11,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:52:11,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:11,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:11,999 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:52:12,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:12,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-11-08 22:52:12,055 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-08 22:52:12,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:12,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:12,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:12,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:52:13,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:13,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 30 transitions. [2024-11-08 22:52:13,095 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-11-08 22:52:13,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:52:13,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:13,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:13,924 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:52:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:15,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 41 transitions. [2024-11-08 22:52:15,468 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2024-11-08 22:52:15,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:52:15,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:15,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:16,213 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:52:17,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:17,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 21 states and 23 transitions. [2024-11-08 22:52:17,124 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-08 22:52:17,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:52:17,125 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-08 22:52:17,140 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:52:17,538 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:52:17,539 INFO L77 FloydHoareUtils]: At program point L31(lines 31 32) the Hoare annotation is: true [2024-11-08 22:52:17,539 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: true [2024-11-08 22:52:17,539 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: true [2024-11-08 22:52:17,540 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:52:17,540 INFO L77 FloydHoareUtils]: At program point L38(line 38) the Hoare annotation is: true [2024-11-08 22:52:17,540 INFO L77 FloydHoareUtils]: At program point L38-1(line 38) the Hoare annotation is: true [2024-11-08 22:52:17,540 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-11-08 22:52:17,541 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-08 22:52:17,541 INFO L77 FloydHoareUtils]: At program point L28-1(line 28) the Hoare annotation is: true [2024-11-08 22:52:17,541 INFO L77 FloydHoareUtils]: At program point L24(lines 24 33) the Hoare annotation is: true [2024-11-08 22:52:17,542 INFO L77 FloydHoareUtils]: At program point L18-3(lines 18 20) the Hoare annotation is: (or (not (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|))) (and (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_lcp_~y#1|) (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_lcp_~x#1|) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_lcp_~n#1|) (or |ULTIMATE.start_lcp_#t~short7#1| (< |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_main_~y~0#1| 1)) (< |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_main_~x~0#1| 1))) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_lcp_~a#1.base|))) [2024-11-08 22:52:17,542 INFO L77 FloydHoareUtils]: At program point L18-5(lines 18 20) the Hoare annotation is: (or (not (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|))) (and (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_lcp_~y#1|) (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_lcp_~x#1|) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_lcp_~n#1|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_lcp_~a#1.base|))) [2024-11-08 22:52:17,543 INFO L77 FloydHoareUtils]: At program point L18-6(lines 18 20) the Hoare annotation is: (not (and (not (or (< |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_main_~y~0#1| 1)) (< |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_main_~x~0#1| 1)))) (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|)))) [2024-11-08 22:52:17,543 INFO L77 FloydHoareUtils]: At program point L43(line 43) the Hoare annotation is: (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|)) [2024-11-08 22:52:17,543 INFO L77 FloydHoareUtils]: At program point L43-1(line 43) the Hoare annotation is: true [2024-11-08 22:52:17,544 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 5 7) the Hoare annotation is: true [2024-11-08 22:52:17,544 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 5 7) the Hoare annotation is: true [2024-11-08 22:52:17,544 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: true [2024-11-08 22:52:17,544 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: true [2024-11-08 22:52:17,545 INFO L77 FloydHoareUtils]: At program point L13-3(lines 12 14) the Hoare annotation is: true [2024-11-08 22:52:17,545 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 12 14) the Hoare annotation is: true [2024-11-08 22:52:17,545 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 12 14) the Hoare annotation is: true [2024-11-08 22:52:17,545 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) the Hoare annotation is: true [2024-11-08 22:52:17,554 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.lib.translation.DefaultTranslator.translateExpressionWithContext(DefaultTranslator.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:109) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:91) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.BacktranslationService.translateExpressionWithContext(BacktranslationService.java:111) at de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.FloydHoareUtils.createInvariantResults(FloydHoareUtils.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createInvariantAndContractResults(CodeCheckObserver.java:542) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:518) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:52:17,558 INFO L158 Benchmark]: Toolchain (without parser) took 7092.86ms. Allocated memory was 125.8MB in the beginning and 209.7MB in the end (delta: 83.9MB). Free memory was 71.0MB in the beginning and 150.6MB in the end (delta: -79.6MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-11-08 22:52:17,559 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:17,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.27ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 70.8MB in the beginning and 144.6MB in the end (delta: -73.8MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-11-08 22:52:17,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.84ms. Allocated memory is still 174.1MB. Free memory was 144.6MB in the beginning and 143.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:17,561 INFO L158 Benchmark]: Boogie Preprocessor took 32.81ms. Allocated memory is still 174.1MB. Free memory was 143.3MB in the beginning and 141.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:52:17,562 INFO L158 Benchmark]: RCFGBuilder took 641.53ms. Allocated memory is still 174.1MB. Free memory was 141.9MB in the beginning and 123.7MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:52:17,563 INFO L158 Benchmark]: CodeCheck took 5958.58ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 123.7MB in the beginning and 150.6MB in the end (delta: -26.9MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-11-08 22:52:17,566 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 237 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 152 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 204 IncrementalHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 126 mSDtfsCounter, 204 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 646 GetRequests, 597 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 480 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 28/30 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 13]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:272) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.27ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 70.8MB in the beginning and 144.6MB in the end (delta: -73.8MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.84ms. Allocated memory is still 174.1MB. Free memory was 144.6MB in the beginning and 143.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.81ms. Allocated memory is still 174.1MB. Free memory was 143.3MB in the beginning and 141.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 641.53ms. Allocated memory is still 174.1MB. Free memory was 141.9MB in the beginning and 123.7MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 5958.58ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 123.7MB in the beginning and 150.6MB in the end (delta: -26.9MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:52:17,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/lcp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1e47fbc54bff4eeebe072cdb8acf7cfe734a91f148fd421ae1769ba3b81a6f5a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:52:20,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:52:20,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:52:20,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:52:20,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:52:20,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:52:20,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:52:20,673 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:52:20,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:52:20,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:52:20,676 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:52:20,677 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:52:20,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:52:20,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:52:20,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:52:20,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:52:20,679 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:52:20,679 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:52:20,682 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:52:20,683 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:52:20,683 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:52:20,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:52:20,687 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:52:20,688 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:52:20,688 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:52:20,688 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:52:20,688 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:20,689 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:52:20,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:52:20,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:20,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:52:20,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:52:20,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:52:20,693 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:52:20,693 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:20,693 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:52:20,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e47fbc54bff4eeebe072cdb8acf7cfe734a91f148fd421ae1769ba3b81a6f5a [2024-11-08 22:52:21,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:52:21,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:52:21,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:52:21,242 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:52:21,243 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:52:21,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/verifythis/lcp.c Unable to find full path for "g++" [2024-11-08 22:52:23,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:52:23,779 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:52:23,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/sv-benchmarks/c/verifythis/lcp.c [2024-11-08 22:52:23,789 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/data/cd24d19d3/32129de0c51540c39b40eefa1df77074/FLAG174246ace [2024-11-08 22:52:23,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/data/cd24d19d3/32129de0c51540c39b40eefa1df77074 [2024-11-08 22:52:23,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:52:23,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:52:23,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:23,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:52:23,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:52:23,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:23" (1/1) ... [2024-11-08 22:52:23,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba81785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:23, skipping insertion in model container [2024-11-08 22:52:23,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:23" (1/1) ... [2024-11-08 22:52:23,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:52:24,105 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/sv-benchmarks/c/verifythis/lcp.c[515,528] [2024-11-08 22:52:24,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:24,155 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:52:24,174 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/sv-benchmarks/c/verifythis/lcp.c[515,528] [2024-11-08 22:52:24,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:24,222 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:52:24,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:24 WrapperNode [2024-11-08 22:52:24,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:24,224 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:24,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:52:24,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:52:24,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:24" (1/1) ... [2024-11-08 22:52:24,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:24" (1/1) ... [2024-11-08 22:52:24,281 INFO L138 Inliner]: procedures = 22, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 80 [2024-11-08 22:52:24,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:24,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:52:24,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:52:24,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:52:24,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:24" (1/1) ... [2024-11-08 22:52:24,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:24" (1/1) ... [2024-11-08 22:52:24,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:24" (1/1) ... [2024-11-08 22:52:24,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:24" (1/1) ... [2024-11-08 22:52:24,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:24" (1/1) ... [2024-11-08 22:52:24,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:24" (1/1) ... [2024-11-08 22:52:24,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:24" (1/1) ... [2024-11-08 22:52:24,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:24" (1/1) ... [2024-11-08 22:52:24,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:52:24,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:52:24,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:52:24,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:52:24,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:24" (1/1) ... [2024-11-08 22:52:24,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:24,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:52:24,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:52:24,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:52:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:52:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:52:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:52:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:52:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:52:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:52:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:52:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:52:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:52:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:52:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:52:24,581 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:52:24,583 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:52:25,017 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-08 22:52:25,017 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:52:25,130 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:52:25,132 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:52:25,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:25 BoogieIcfgContainer [2024-11-08 22:52:25,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:52:25,134 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:52:25,134 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:52:25,147 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:52:25,148 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:25" (1/1) ... [2024-11-08 22:52:25,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:52:25,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:25,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-11-08 22:52:25,258 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-08 22:52:25,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:52:25,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:25,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:25,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:25,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:25,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:52:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:25,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:25,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:52:25,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:25,600 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:52:25,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:25,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:25,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-11-08 22:52:25,662 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-08 22:52:25,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:25,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:25,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:25,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:25,668 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:25,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:52:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:25,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:25,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:25,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:26,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:26,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:52:26,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:26,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:26,160 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:26,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:26,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:26,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:26,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:26,165 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:26,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:52:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:26,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:26,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:26,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:26,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:26,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:52:26,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:26,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:26,420 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:26,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:26,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:26,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:26,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:26,425 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:26,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:52:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:26,568 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:26,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:26,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:26,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:26,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:52:26,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:26,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:26,669 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:26,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:26,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:26,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:26,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:26,676 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:26,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:52:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:26,830 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:26,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:26,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:26,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:26,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:52:26,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:26,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:26,936 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:26,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:26,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:26,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:26,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:26,945 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:26,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:52:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:27,098 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:27,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:27,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:27,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:27,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:27,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:27,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:27,200 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:27,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:27,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:27,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:27,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:27,207 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:27,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:52:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:27,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:27,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:27,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:27,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:52:27,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:27,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:27,459 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:27,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:27,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:27,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:27,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:27,465 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:27,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:52:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:27,616 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:27,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:27,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:27,709 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:27,712 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:52:27,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:27,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:27,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:27,727 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:27,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:27,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:27,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:27,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:27,733 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:27,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:52:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:27,893 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:27,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:27,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:27,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 22:52:27,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:27,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:27,985 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:27,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:27,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:27,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:27,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:27,990 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:27,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:52:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:28,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:28,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:28,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:28,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:28,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:28,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:28,266 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:28,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:28,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:28,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:28,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:28,271 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:28,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:52:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:28,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:28,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:28,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:28,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:28,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:28,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:28,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:28,532 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:28,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:52:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:28,694 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:28,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:28,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:28,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:28,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 22:52:28,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:28,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:28,767 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:28,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:28,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:28,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:28,773 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:28,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 22:52:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:28,924 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:28,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:28,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:28,984 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:28,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:28,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:28,997 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:28,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:28,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:28,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:28,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:29,003 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:29,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 22:52:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:29,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:29,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:29,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:29,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:29,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 22:52:29,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:29,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:29,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:29,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:29,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:29,226 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:29,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 22:52:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:29,372 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:29,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:29,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:29,428 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:29,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:29,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:29,440 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:29,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:29,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:29,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:29,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:29,445 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:29,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 22:52:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:29,592 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:29,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:29,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:29,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:29,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:29,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:29,661 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:29,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:29,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:29,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:29,668 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:29,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 22:52:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:29,799 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:29,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:29,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:29,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:29,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:29,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:29,862 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:29,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:29,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:29,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:29,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:29,866 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:29,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 22:52:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:29,999 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:30,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:30,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:30,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-08 22:52:30,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:30,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:30,064 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:30,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:30,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:30,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:30,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:30,068 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:30,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 22:52:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:30,210 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:30,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:30,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:30,269 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:30,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-08 22:52:30,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:30,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:30,286 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:30,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:30,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:30,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:30,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:30,292 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:30,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 22:52:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:30,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:30,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:30,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:30,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:30,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-08 22:52:30,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:30,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:30,502 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:30,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:30,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:30,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:30,506 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:30,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 22:52:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:30,659 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:30,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:30,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:30,721 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:30,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:30,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:30,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:30,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:30,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:30,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:30,741 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:30,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 22:52:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:30,901 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:30,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:30,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:30,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:30,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-08 22:52:30,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:30,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:30,964 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:30,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:30,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:30,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:30,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:30,967 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:30,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 22:52:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:31,127 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:31,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:31,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:31,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:31,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:31,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:31,191 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:31,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:31,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:31,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:31,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:31,198 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:31,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 22:52:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:31,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:31,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:31,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:31,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:31,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:31,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:31,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:31,429 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:31,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:31,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:31,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:31,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:31,435 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:31,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 22:52:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:31,586 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:31,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:31,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:31,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-08 22:52:31,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:31,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:31,646 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:31,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:31,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:31,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:31,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:31,652 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:31,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 22:52:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:31,813 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:31,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:31,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:31,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:31,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-08 22:52:31,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:31,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:31,886 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:31,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:31,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:31,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:31,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:31,890 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:31,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 22:52:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:32,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:32,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:32,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:32,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-08 22:52:32,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:32,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:32,116 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:32,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:32,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:32,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:32,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:32,120 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:32,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 22:52:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:32,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:32,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:32,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:32,334 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:32,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:32,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:32,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:32,345 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:32,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:32,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:32,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:32,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:32,352 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:32,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 22:52:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:32,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:32,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:32,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:32,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-08 22:52:32,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:32,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:32,652 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:32,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:32,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:32,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:32,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:32,656 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:32,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 22:52:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:32,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:32,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:32,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:32,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:32,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:32,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:32,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:32,909 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:32,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:32,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:32,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:32,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:32,913 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:32,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 22:52:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:33,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:33,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:33,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:33,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:33,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-08 22:52:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:33,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:33,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:33,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:33,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:33,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:33,166 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:33,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 22:52:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:33,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:33,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:33,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:33,422 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:33,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:33,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:33,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:33,430 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:33,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:33,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:33,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:33,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:33,434 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:33,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 22:52:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:33,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:33,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:33,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:33,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:33,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:33,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:33,688 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:33,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:33,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:33,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:33,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:33,692 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:33,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 22:52:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:33,881 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:33,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:33,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:33,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:33,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-08 22:52:33,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:33,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:33,949 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:33,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:33,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:33,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:33,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:33,953 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:33,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 22:52:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:34,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:34,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:34,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:34,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:34,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:34,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:34,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:34,215 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:34,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:34,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:34,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:34,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:34,220 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:34,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 22:52:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:34,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:34,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:34,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:34,482 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:34,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:34,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:34,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:34,490 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:34,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:34,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:34,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:34,494 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:34,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 22:52:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:34,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:34,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:34,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:34,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:34,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:34,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:34,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:34,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:34,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:34,735 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:34,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 22:52:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:34,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:34,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:34,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:34,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-08 22:52:34,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:34,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:34,981 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:34,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:34,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:34,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:34,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:34,986 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:34,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 22:52:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:35,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:35,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:35,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:35,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:35,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-08 22:52:35,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:35,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:35,241 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:35,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:35,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:35,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:35,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:35,244 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:35,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 22:52:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:35,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:35,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:35,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:35,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:35,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-08 22:52:35,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:35,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:35,481 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:35,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:35,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:35,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:35,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:35,485 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:35,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 22:52:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:35,668 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:35,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:35,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:35,719 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:35,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:35,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:35,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:35,728 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:35,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:35,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:35,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:35,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:35,734 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:35,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 22:52:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:35,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:35,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:35,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:35,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:35,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:35,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:35,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:35,987 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:35,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:35,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:35,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:35,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:35,992 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:35,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 22:52:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:36,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:36,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:36,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:36,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:36,279 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:52:36,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-08 22:52:36,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:36,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:36,284 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:36,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:36,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:36,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:36,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:36,288 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:36,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-08 22:52:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:36,507 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:36,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:36,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:36,563 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:52:36,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:36,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:36,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:36,571 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:36,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:36,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:36,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:36,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:36,574 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:36,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-08 22:52:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:36,769 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:36,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:36,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:36,824 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:36,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-08 22:52:36,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:36,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:36,839 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:36,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:36,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:36,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:36,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:36,845 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:36,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-08 22:52:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:37,077 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:37,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:37,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:37,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:37,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:37,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:37,137 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:37,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:37,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:37,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:37,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:37,141 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:37,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-08 22:52:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:37,373 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:37,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:37,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:37,428 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:52:37,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:37,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:37,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:37,432 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:37,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:37,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:37,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:37,437 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:37,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-08 22:52:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:37,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:37,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:37,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:37,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:37,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:37,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:37,715 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:37,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:37,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:37,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:37,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:37,722 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:37,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-08 22:52:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:37,937 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:37,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:37,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:37,987 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:37,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:37,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:37,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:37,994 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:37,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:37,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:37,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:37,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:37,999 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:38,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-08 22:52:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:38,211 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:38,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:38,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:38,261 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:38,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-08 22:52:38,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:38,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:38,269 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:38,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:38,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:38,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:38,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:38,273 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:38,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-08 22:52:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:38,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:38,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:38,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:38,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:38,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:38,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:38,524 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:38,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:38,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:38,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:38,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:38,528 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:38,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-08 22:52:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:38,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:38,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:38,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:38,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:38,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:38,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:38,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:38,769 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:38,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:38,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:38,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:38,770 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:38,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-08 22:52:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:38,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:38,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:38,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:38,997 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:39,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-08 22:52:39,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:39,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:39,005 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:39,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:39,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:39,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:39,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:39,009 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:39,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-08 22:52:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:39,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:39,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:39,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:39,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:39,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-08 22:52:39,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:39,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:39,291 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:39,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:39,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:39,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:39,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:39,299 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:39,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-08 22:52:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:39,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:39,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:39,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:39,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:39,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:39,578 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:39,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:39,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:39,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:39,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:39,580 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:39,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-08 22:52:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:39,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:39,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:39,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:39,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:39,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-08 22:52:39,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:39,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:39,863 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:39,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:39,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:39,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:39,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:39,868 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:39,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-08 22:52:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:40,095 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:40,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:40,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:40,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:40,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-08 22:52:40,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:40,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:40,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:40,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:40,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:40,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:40,156 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:40,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-08 22:52:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:40,376 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:40,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:40,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:40,413 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:40,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-08 22:52:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:40,418 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:40,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:40,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:40,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:40,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:40,422 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:40,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-08 22:52:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:40,621 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:40,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:40,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:40,659 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:40,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:40,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:40,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:40,669 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:40,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:40,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:40,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:40,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:40,672 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:40,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-08 22:52:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:40,882 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:40,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:40,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:40,924 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:40,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:40,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:40,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:40,933 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:40,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:40,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:40,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:40,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:40,936 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:40,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-08 22:52:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:41,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:41,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:41,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:41,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-08 22:52:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:41,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:41,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:41,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:41,215 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:41,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-08 22:52:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:41,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:41,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:41,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:41,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:41,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:41,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:41,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:41,494 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:41,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:41,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:41,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:41,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:41,501 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:41,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-08 22:52:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:41,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:41,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:41,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:41,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:41,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:41,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:41,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:41,810 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:41,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:41,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:41,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:41,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:41,815 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:41,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-08 22:52:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:42,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:42,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:42,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:42,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:42,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:42,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:42,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:42,165 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:42,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:42,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:42,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:42,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:42,169 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:42,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-08 22:52:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:42,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:42,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:42,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:42,457 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:42,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:42,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:42,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:42,467 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:42,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:42,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:42,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:42,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:42,470 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:42,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-08 22:52:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:42,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:42,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:42,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:42,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-08 22:52:42,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:42,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:42,796 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:42,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:42,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:42,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:42,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:42,800 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:42,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-08 22:52:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:43,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:43,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:43,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:43,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:43,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-08 22:52:43,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:43,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:43,112 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:43,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:43,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:43,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:43,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:43,116 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:43,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-08 22:52:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:43,332 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:43,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:43,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:43,369 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:43,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-08 22:52:43,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:43,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:43,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:43,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:43,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:43,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:43,375 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:43,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-08 22:52:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:43,595 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:43,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:43,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:43,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:43,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:43,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:43,642 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:43,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:43,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:43,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:43,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:43,643 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:43,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-08 22:52:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:43,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:43,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:43,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:43,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:43,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:43,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:43,913 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:43,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:43,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:43,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:43,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:43,915 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:43,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-08 22:52:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:44,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:44,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:44,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:44,188 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:44,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-08 22:52:44,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:44,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:44,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:44,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:44,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:44,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:44,198 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:44,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-08 22:52:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:44,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:44,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:44,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:44,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:44,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-08 22:52:44,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:44,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:44,467 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:44,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:44,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:44,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:44,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:44,469 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:44,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-08 22:52:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:44,694 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:44,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:44,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:44,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:44,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:44,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:44,737 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:44,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:44,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:44,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:44,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:44,743 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:44,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-08 22:52:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:44,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:44,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:44,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:45,016 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:45,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:45,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:45,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:45,022 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:45,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:45,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:45,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:45,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:45,023 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:45,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-08 22:52:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:45,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:45,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:45,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:45,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:45,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:45,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:45,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:45,336 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:45,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:45,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:45,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:45,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:45,341 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:45,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-08 22:52:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:45,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:45,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:45,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:45,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:45,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-08 22:52:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:45,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:45,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:45,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:45,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:45,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:45,637 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:45,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-08 22:52:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:45,870 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:45,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:45,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:45,908 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:45,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:45,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:45,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:45,913 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:45,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:45,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:45,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:45,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:45,916 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:45,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-08 22:52:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:46,152 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:46,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:46,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:46,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-08 22:52:46,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:46,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:46,192 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:46,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:46,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:46,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:46,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:46,194 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:46,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-08 22:52:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:46,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:46,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:46,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:46,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:46,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-08 22:52:46,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:46,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:46,490 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:46,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:46,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:46,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:46,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:46,494 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:46,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-08 22:52:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:46,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:46,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:46,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:46,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:46,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-08 22:52:46,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:46,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:46,811 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:46,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:46,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:46,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:46,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:46,814 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:46,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-08 22:52:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:47,084 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:47,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:47,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:47,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:47,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-08 22:52:47,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:47,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:47,133 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:47,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:47,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:47,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:47,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:47,135 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:47,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-08 22:52:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:47,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:47,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:47,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:47,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-08 22:52:47,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:47,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:47,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:47,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:47,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:47,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:47,447 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:47,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-08 22:52:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:47,737 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:47,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:47,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:47,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:47,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-08 22:52:47,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:47,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:47,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:47,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:47,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:47,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:47,788 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:47,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-08 22:52:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:48,051 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:48,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:48,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:48,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:48,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:48,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:48,103 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:48,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:48,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:48,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:48,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:48,107 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:48,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-08 22:52:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:48,386 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:48,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:48,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:48,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:48,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-08 22:52:48,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:48,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:48,432 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:48,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:48,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:48,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:48,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:48,434 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:48,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-08 22:52:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:48,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:48,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:48,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:48,748 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:48,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-08 22:52:48,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:48,756 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:48,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:48,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:48,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:48,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:48,758 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:48,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-08 22:52:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:49,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:49,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:49,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:49,071 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:49,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-08 22:52:49,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:49,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:49,076 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:49,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:49,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:49,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:49,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:49,078 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:49,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-08 22:52:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:49,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:49,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:49,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:49,384 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:49,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:49,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:49,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:49,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:49,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:49,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:49,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:49,392 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:49,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-08 22:52:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:49,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:49,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:49,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:49,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:49,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:49,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:49,719 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:49,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:49,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:49,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:49,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:49,720 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:49,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-08 22:52:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:49,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:50,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:50,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:50,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:50,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-08 22:52:50,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:50,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:50,046 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:50,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:50,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:50,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:50,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:50,050 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:50,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-08 22:52:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:50,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:50,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:50,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:50,382 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:50,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:50,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:50,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:50,388 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:50,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:50,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:50,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:50,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:50,389 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:50,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-08 22:52:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:50,671 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:50,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:50,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:50,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:50,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-08 22:52:50,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:50,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:50,717 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:50,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:50,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:50,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:50,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:50,718 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:50,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-08 22:52:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:51,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:51,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:51,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:51,039 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:51,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:51,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:51,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:51,045 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:51,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:51,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:51,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:51,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:51,047 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:51,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-08 22:52:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:51,329 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:51,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:51,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:51,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:51,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:51,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:51,372 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:51,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:51,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:51,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:51,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:51,373 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:51,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-08 22:52:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:51,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:51,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:51,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:51,709 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:51,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:51,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:51,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:51,715 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:51,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:51,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:51,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:51,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:51,717 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:51,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-08 22:52:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:52,020 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:52,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:52,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:52,066 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:52,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:52,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:52,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:52,074 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:52,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:52,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:52,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:52,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:52,081 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:52,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-08 22:52:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:52,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:52,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:52,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:52,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:52,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:52,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:52,436 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:52,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:52,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:52,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:52,440 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:52,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-08 22:52:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:52,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:52,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:52,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:52,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:52,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-08 22:52:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:52,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:52,810 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:52,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:52,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:52,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:52,814 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:52,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-08 22:52:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,128 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:53,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:53,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:53,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:53,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:53,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:53,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:53,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:53,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:53,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:53,206 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:53,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-08 22:52:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:53,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:53,579 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:53,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:53,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:53,585 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:53,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:53,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:53,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:53,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:53,587 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:53,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-08 22:52:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:53,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:53,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:53,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-08 22:52:53,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:53,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:53,949 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:53,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:53,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:53,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:53,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:53,953 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:53,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-08 22:52:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:54,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:54,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:54,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:54,317 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:54,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-08 22:52:54,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:54,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:54,323 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:54,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:54,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:54,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:54,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:54,327 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:54,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-08 22:52:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:54,641 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:54,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:54,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:54,691 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:54,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-08 22:52:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:54,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:54,697 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:54,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:54,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:54,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:54,699 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:54,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-08 22:52:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:55,009 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:55,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:55,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:55,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:55,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:55,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:55,056 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:55,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:55,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:55,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:55,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:55,058 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:55,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-08 22:52:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:55,372 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:55,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:55,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:55,416 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:55,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:55,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:55,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:55,421 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:55,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:55,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:55,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:55,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:55,423 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:55,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-08 22:52:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:55,748 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:55,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:55,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:55,792 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:55,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:55,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:55,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:55,797 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:55,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:55,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:55,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:55,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:55,801 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:55,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-08 22:52:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:56,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:56,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:56,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:56,168 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:56,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:56,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:56,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:56,175 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:56,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:56,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:56,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:56,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:56,179 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:56,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-08 22:52:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:56,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:56,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:56,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:56,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:56,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:56,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:56,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:56,585 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:56,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:56,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:56,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:56,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:56,592 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:56,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-08 22:52:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:56,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:56,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:56,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:56,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:56,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:57,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:57,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:57,002 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:57,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:57,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:57,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:57,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:57,007 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:57,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-08 22:52:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:57,374 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:57,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:57,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:57,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:57,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-08 22:52:57,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:57,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:57,431 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:57,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:57,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:57,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:57,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:57,435 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:57,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-08 22:52:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:57,781 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:57,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:57,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:57,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:57,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-08 22:52:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:57,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:57,826 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:57,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:57,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:57,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:57,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:57,828 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:57,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-08 22:52:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:58,145 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:58,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:58,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:58,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:58,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-08 22:52:58,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:58,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:58,186 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:58,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:58,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:58,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:58,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:58,189 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:58,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-08 22:52:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:58,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:58,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:58,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:58,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:58,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:58,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:58,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:58,551 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:58,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:58,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:58,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:58,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:58,553 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:58,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-08 22:52:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:58,909 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:58,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:58,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:58,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:58,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-11-08 22:52:58,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:58,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:58,958 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:58,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:58,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:58,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:58,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:58,961 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:58,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-08 22:52:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:59,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:59,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:59,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:59,304 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:59,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:59,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:59,310 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:59,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:59,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:59,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:59,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:59,311 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:59,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-08 22:52:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:59,637 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:59,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:52:59,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:59,672 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:52:59,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-08 22:52:59,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:59,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:52:59,683 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:52:59,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:52:59,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:59,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:59,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:59,685 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:59,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-08 22:53:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:00,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:00,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:00,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:00,074 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:00,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:00,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:00,082 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:00,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:00,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:00,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:00,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:00,086 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:00,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-08 22:53:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:00,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:00,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:00,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:00,461 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:00,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:00,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:00,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:00,466 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:00,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:00,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:00,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:00,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:00,468 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:00,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-08 22:53:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:00,791 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:00,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:00,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:00,833 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:00,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:00,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:00,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:00,842 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:00,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:00,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:00,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:00,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:00,846 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:00,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-08 22:53:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:01,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:01,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:01,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:01,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:01,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:01,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:01,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:01,259 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:01,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:01,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:01,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:01,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:01,261 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:01,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-08 22:53:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:01,592 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:01,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:01,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:01,627 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:01,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-08 22:53:01,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:01,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:01,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:01,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:01,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:01,636 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:01,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-08 22:53:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:01,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:01,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:01,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:02,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:02,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-08 22:53:02,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:02,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:02,013 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:02,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:02,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:02,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:02,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:02,016 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:02,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-08 22:53:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:02,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:02,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:02,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:02,384 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:02,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:02,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:02,389 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:02,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:02,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:02,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:02,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:02,391 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:02,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-08 22:53:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:02,777 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:02,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:02,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:02,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:02,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:02,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:02,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:02,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:02,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:02,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:02,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:02,826 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:02,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-08 22:53:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,169 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:03,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:03,208 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:03,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:03,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:03,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:03,216 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:03,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:03,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:03,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:03,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:03,219 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:03,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-08 22:53:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:03,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:03,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:03,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:03,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:03,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:03,609 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:03,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:03,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:03,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:03,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:03,611 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:03,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-08 22:53:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:04,008 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:04,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:04,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:04,045 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:04,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:04,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:04,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:04,056 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:04,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:04,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:04,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:04,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:04,062 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:04,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-08 22:53:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:04,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:04,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:04,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:04,463 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:04,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2024-11-08 22:53:04,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:04,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:04,471 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:04,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:04,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:04,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:04,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:04,478 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:04,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-08 22:53:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:04,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:04,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:04,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:04,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:04,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-11-08 22:53:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:04,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:04,930 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:04,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:04,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:04,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:04,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:04,938 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:04,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-08 22:53:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:05,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:05,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:05,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:05,327 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:05,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:05,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:05,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:05,333 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:05,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:05,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:05,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:05,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:05,335 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:05,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-08 22:53:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:05,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:05,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:05,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:05,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:05,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-08 22:53:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:05,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:05,716 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:05,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:05,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:05,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:05,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:05,718 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:05,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-08 22:53:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,066 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:06,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:06,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:06,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:06,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:06,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:06,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:06,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:06,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:06,114 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:06,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-08 22:53:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:06,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:06,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-08 22:53:06,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:06,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:06,510 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:06,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:06,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:06,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:06,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:06,513 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:06,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-08 22:53:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,886 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:06,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:06,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:06,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:06,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:06,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:06,937 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:06,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:06,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:06,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:06,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:06,941 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:06,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-08 22:53:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:07,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:07,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:07,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:07,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:07,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:07,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:07,354 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:07,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:07,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:07,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:07,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:07,357 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:07,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-08 22:53:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:07,712 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:07,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:07,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:07,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:07,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:07,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:07,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:07,758 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:07,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:07,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:07,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:07,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:07,761 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:07,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-08 22:53:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:08,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:08,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:08,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:08,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:08,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:08,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:08,183 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:08,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:08,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:08,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:08,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:08,185 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:08,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-08 22:53:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:08,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:08,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:08,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:08,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-08 22:53:08,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:08,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:08,587 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:08,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:08,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:08,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:08,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:08,590 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:08,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-08 22:53:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:08,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:08,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:08,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:09,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:09,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:09,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:09,014 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:09,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:09,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:09,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:09,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:09,016 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:09,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-08 22:53:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:09,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:09,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:09,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:09,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:09,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:09,450 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:09,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:09,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:09,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:09,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:09,452 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:09,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-08 22:53:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:09,836 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:09,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:09,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:09,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:09,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-08 22:53:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:09,885 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:09,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:09,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:09,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:09,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:09,886 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:09,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-08 22:53:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:10,307 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:10,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:10,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:10,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:10,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:10,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:10,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:10,347 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:10,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:10,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:10,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:10,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:10,349 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:10,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-08 22:53:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:10,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:10,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:10,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:10,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:10,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:10,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:10,767 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:10,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:10,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:10,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:10,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:10,770 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:10,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-08 22:53:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:11,156 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:11,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:11,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:11,194 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:11,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:11,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:11,200 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:11,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:11,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:11,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:11,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:11,203 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:11,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-08 22:53:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:11,577 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:11,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:11,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:11,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:11,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:11,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:11,623 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:11,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:11,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:11,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:11,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:11,626 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:11,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-08 22:53:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:12,016 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:12,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:12,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:12,053 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:12,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-08 22:53:12,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:12,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:12,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:12,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:12,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:12,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:12,059 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:12,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-08 22:53:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:12,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:12,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:12,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:12,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:12,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-08 22:53:12,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:12,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:12,484 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:12,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:12,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:12,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:12,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:12,485 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:12,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-08 22:53:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:12,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:12,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:12,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:12,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:12,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-08 22:53:12,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:12,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:12,959 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:12,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:12,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:12,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:12,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:12,961 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:12,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-08 22:53:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,356 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:13,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:13,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:13,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-08 22:53:13,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:13,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:13,403 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:13,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:13,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:13,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:13,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:13,404 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:13,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-08 22:53:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:13,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:13,833 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:13,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-08 22:53:13,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:13,839 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:13,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:13,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:13,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:13,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:13,841 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:13,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-08 22:53:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:14,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:14,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:14,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:14,257 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:14,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:14,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:14,263 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:14,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:14,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:14,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:14,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:14,264 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:14,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-08 22:53:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:14,646 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:14,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:14,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:14,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-08 22:53:14,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:14,689 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:14,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:14,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:14,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:14,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:14,690 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:14,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-08 22:53:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:15,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:15,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:15,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:15,125 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:15,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-08 22:53:15,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:15,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:15,131 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:15,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:15,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:15,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:15,133 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:15,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-08 22:53:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:15,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:15,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:15,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:15,559 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:15,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-08 22:53:15,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:15,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:15,565 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:15,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:15,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:15,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:15,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:15,566 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:15,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-08 22:53:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:15,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:15,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:15,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:15,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:15,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:16,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:16,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:16,000 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:16,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:16,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:16,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:16,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:16,002 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:16,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-08 22:53:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:16,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:16,430 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:16,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-08 22:53:16,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:16,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:16,435 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:16,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:16,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:16,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:16,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:16,436 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:16,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-08 22:53:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:16,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:16,881 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:16,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-08 22:53:16,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:16,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:16,890 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:16,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:16,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:16,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:16,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:16,893 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:16,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-08 22:53:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:17,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:17,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:17,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:17,350 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:17,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:17,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:17,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:17,356 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:17,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:17,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:17,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:17,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:17,359 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:17,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-08 22:53:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:17,769 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:17,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:17,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:17,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-08 22:53:17,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:17,817 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:17,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:17,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:17,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:17,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:17,818 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:17,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-08 22:53:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:18,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:18,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:18,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:18,297 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:18,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-08 22:53:18,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:18,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:18,303 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:18,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:18,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:18,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:18,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:18,308 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:18,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-08 22:53:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:18,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:18,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:18,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:18,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:18,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:18,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:18,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:18,753 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:18,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:18,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:18,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:18,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:18,755 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:18,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-08 22:53:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:19,159 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:19,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:19,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:19,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:19,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:19,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:19,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:19,204 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:19,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:19,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:19,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:19,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:19,206 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:19,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-08 22:53:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:19,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:19,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:19,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:19,649 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:19,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-08 22:53:19,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:19,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:19,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:19,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:19,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:19,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:19,658 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:19,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-08 22:53:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:20,059 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:20,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:20,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:20,099 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:20,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:20,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:20,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:20,105 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:20,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:20,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:20,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:20,108 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:20,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-08 22:53:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:20,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:20,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:20,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:20,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:20,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-08 22:53:20,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:20,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:20,562 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:20,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:20,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:20,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:20,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:20,565 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:20,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-08 22:53:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:20,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:21,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:21,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:21,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:21,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:21,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:21,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:21,027 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:21,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:21,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:21,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:21,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:21,028 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:21,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-08 22:53:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:21,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:21,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:21,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:21,469 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:21,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:21,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:21,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:21,474 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:21,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:21,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:21,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:21,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:21,475 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:21,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-08 22:53:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:21,881 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:21,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:21,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:21,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:21,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-08 22:53:21,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:21,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:21,922 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:21,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:21,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:21,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:21,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:21,923 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:21,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-08 22:53:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:22,336 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:22,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:22,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:22,371 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:22,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-11-08 22:53:22,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:22,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:22,377 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:22,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:22,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:22,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:22,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:22,378 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:22,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-08 22:53:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:22,815 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:22,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:22,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:22,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:22,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:22,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:22,863 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:22,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:22,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:22,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:22,864 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:22,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-08 22:53:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:23,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:23,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:23,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:23,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:23,326 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:23,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:23,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:23,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:23,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:23,330 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:23,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-08 22:53:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:23,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:23,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-08 22:53:23,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:23,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:23,812 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:23,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:23,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:23,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:23,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:23,814 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:23,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-08 22:53:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:24,232 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:24,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:24,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:24,274 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:24,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:24,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:24,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:24,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:24,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:24,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:24,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:24,285 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:24,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-08 22:53:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:24,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:24,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:24,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:24,787 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:24,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:24,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:24,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:24,793 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:24,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:24,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:24,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:24,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:24,794 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:24,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-08 22:53:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:25,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:25,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:25,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:25,266 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:25,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-08 22:53:25,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:25,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:25,272 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:25,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:25,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:25,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:25,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:25,273 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:25,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-08 22:53:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:25,713 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:25,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:25,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:25,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:25,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:25,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:25,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:25,751 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:25,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:25,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:25,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:25,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:25,752 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:25,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-08 22:53:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:26,190 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:26,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:26,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:26,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:26,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-08 22:53:26,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:26,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:26,231 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:26,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:26,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:26,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:26,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:26,232 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:26,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-08 22:53:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:26,668 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:26,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:26,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:26,702 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:26,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-08 22:53:26,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:26,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:26,708 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:26,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:26,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:26,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:26,710 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:26,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-08 22:53:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:27,180 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:27,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:27,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:27,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:27,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-11-08 22:53:27,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:27,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:27,234 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:27,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:27,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:27,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:27,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:27,238 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:27,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-08 22:53:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:27,747 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:27,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:27,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:27,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-08 22:53:27,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:27,809 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:27,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:27,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:27,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:27,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:27,812 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:27,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-08 22:53:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:28,363 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:28,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:28,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:28,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:28,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:28,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:28,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:28,419 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:28,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:28,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:28,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:28,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:28,422 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:28,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-08 22:53:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:28,907 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:28,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:28,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:28,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:28,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:28,953 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:28,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:28,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:28,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:28,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:28,955 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:28,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-08 22:53:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:29,412 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:29,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:29,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:29,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:29,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:29,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:29,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:29,477 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:29,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:29,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:29,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:29,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:29,481 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:29,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-08 22:53:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:29,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:29,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:29,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:29,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:29,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:29,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:29,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:29,987 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:29,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:29,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:29,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:29,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:29,990 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:29,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-08 22:53:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:30,449 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:30,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:30,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:30,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:30,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:30,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:30,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:30,490 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:30,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:30,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:30,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:30,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:30,491 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:30,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-08 22:53:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:30,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:30,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:30,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:30,984 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:30,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:30,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:30,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:30,994 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:30,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:30,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:30,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:30,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:30,997 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:31,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-08 22:53:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:31,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:31,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-08 22:53:31,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:31,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:31,492 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:31,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:31,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:31,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:31,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:31,493 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:31,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-08 22:53:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,994 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:32,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:32,036 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:32,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:32,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:32,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:32,042 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:32,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:32,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:32,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:32,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:32,044 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:32,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-08 22:53:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,574 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:32,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:32,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:32,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-11-08 22:53:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:32,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:32,629 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:32,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:32,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:32,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:32,632 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:32,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-08 22:53:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:33,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:33,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:33,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:33,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:33,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:33,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:33,238 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:33,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:33,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:33,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:33,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:33,242 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:33,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-08 22:53:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:33,739 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:33,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:33,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:33,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:33,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:33,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:33,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:33,779 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:33,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:33,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:33,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:33,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:33,782 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:33,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-08 22:53:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:34,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:34,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:34,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:34,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-11-08 22:53:34,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:34,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:34,278 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:34,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:34,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:34,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:34,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:34,282 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:34,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-08 22:53:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:34,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:34,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:34,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:34,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:34,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:34,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:34,804 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:34,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:34,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:34,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:34,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:34,807 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:34,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-08 22:53:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:35,302 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:35,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:35,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:35,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:35,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:35,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:35,355 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:35,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:35,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:35,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:35,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:35,358 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:35,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-08 22:53:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:35,826 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:35,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:35,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:35,861 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:35,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-08 22:53:35,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:35,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:35,867 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:35,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:35,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:35,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:35,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:35,868 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:35,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-08 22:53:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:36,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:36,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:36,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:36,361 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:36,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:36,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:36,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:36,371 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:36,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:36,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:36,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:36,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:36,374 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:36,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-08 22:53:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:36,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:36,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:36,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:36,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:36,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:36,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:36,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:36,911 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:36,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:36,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:36,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:36,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:36,912 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:36,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-08 22:53:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:37,431 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:37,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:37,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:37,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-11-08 22:53:37,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:37,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:37,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:37,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:37,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:37,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:37,482 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:37,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-08 22:53:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,024 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:38,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:38,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:38,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-11-08 22:53:38,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:38,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:38,072 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:38,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:38,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:38,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:38,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:38,073 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:38,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-08 22:53:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,629 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:38,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:38,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:38,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-08 22:53:38,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:38,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:38,690 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:38,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:38,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:38,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:38,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:38,692 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:38,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-08 22:53:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:39,246 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:39,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:39,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:39,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:39,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-11-08 22:53:39,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:39,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:39,292 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:39,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:39,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:39,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:39,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:39,295 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:39,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-08 22:53:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:39,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:39,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:39,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:39,909 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:39,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:39,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:39,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:39,918 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:39,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:39,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:39,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:39,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:39,920 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:39,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-08 22:53:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:40,511 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:40,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:40,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:40,554 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:40,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-08 22:53:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:40,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:40,561 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:40,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:40,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:40,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:40,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:40,562 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:40,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-08 22:53:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:41,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:41,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:41,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:41,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:41,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:41,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:41,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:41,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:41,218 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:41,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-08 22:53:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:41,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:41,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:41,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:41,853 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:41,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-08 22:53:41,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:41,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:41,859 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:41,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:41,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:41,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:41,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:41,862 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:41,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-08 22:53:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:42,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:42,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:42,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:42,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:42,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:42,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:42,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:42,396 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:42,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:42,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:42,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:42,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:42,398 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:42,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-08 22:53:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:42,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:42,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:42,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:42,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:42,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-08 22:53:42,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:42,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:42,934 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:42,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:42,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:42,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:42,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:42,935 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:42,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-08 22:53:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:43,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:43,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:43,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:43,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-08 22:53:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:43,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:43,491 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:43,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:43,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:43,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:43,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:43,494 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:43,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-08 22:53:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:44,051 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:44,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:44,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:44,092 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:44,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:44,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:44,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:44,099 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:44,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:44,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:44,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:44,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:44,102 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:44,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-08 22:53:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:44,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:44,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:44,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:44,668 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:44,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:44,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:44,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:44,675 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:44,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:44,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:44,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:44,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:44,679 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:44,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-08 22:53:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,202 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:45,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:45,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:45,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-08 22:53:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:45,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:45,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:45,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:45,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:45,253 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:45,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-08 22:53:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:45,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:45,827 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:45,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:45,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:45,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:45,833 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:45,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:45,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:45,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:45,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:45,834 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:45,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-08 22:53:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:46,330 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:46,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:46,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:46,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:46,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-08 22:53:46,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:46,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:46,372 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:46,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:46,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:46,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:46,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:46,375 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:46,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-08 22:53:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:46,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:46,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:46,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:46,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:46,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:46,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:46,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:46,946 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:46,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:46,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:46,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:46,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:46,949 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:46,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-08 22:53:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:47,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:47,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:47,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:47,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:47,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:47,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:47,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:47,581 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:47,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:47,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:47,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:47,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:47,585 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:47,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-08 22:53:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:48,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:48,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:48,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:48,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-08 22:53:48,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:48,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:48,217 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:48,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:48,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:48,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:48,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:48,220 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:48,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-08 22:53:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:48,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:48,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:48,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:48,815 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:48,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-08 22:53:48,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:48,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:48,823 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:48,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:48,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:48,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:48,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:48,824 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:48,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-08 22:53:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:49,338 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:49,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:49,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:49,374 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:49,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-08 22:53:49,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:49,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:49,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:49,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:49,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:49,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:49,382 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:49,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-08 22:53:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:49,897 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:49,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:49,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:49,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:49,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-08 22:53:49,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:49,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:49,939 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:49,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:49,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:49,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:49,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:49,940 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:49,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-08 22:53:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:50,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:50,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:50,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:50,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:50,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:50,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:50,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:50,504 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:50,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:50,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:50,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:50,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:50,505 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:50,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-08 22:53:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:51,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:51,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-08 22:53:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:51,081 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:51,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:51,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:51,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:51,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:51,084 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:51,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-08 22:53:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:51,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:51,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:51,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:51,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:51,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:51,642 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:51,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:51,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:51,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:51,643 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:51,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-08 22:53:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:52,172 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:52,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:52,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:52,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:52,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-08 22:53:52,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:52,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:52,215 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:52,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:52,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:52,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:52,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:52,217 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:52,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-08 22:53:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:52,742 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:52,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:52,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:52,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:52,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:52,787 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:52,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:52,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:52,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:52,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:52,789 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:52,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-08 22:53:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:53,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:53,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:53,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:53,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:53,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:53,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:53,351 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:53,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:53,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:53,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:53,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:53,352 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:53,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-08 22:53:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:53,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:53,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:53,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:53,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-08 22:53:53,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:53,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:53,942 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:53,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:53,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:53,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:53,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:53,944 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:53,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-08 22:53:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:54,469 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:54,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:54,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:54,505 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:54,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:54,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:54,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:54,513 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:54,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:54,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:54,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:54,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:54,514 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:54,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-08 22:53:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,042 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:55,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:55,076 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:55,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:55,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:55,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:55,084 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:55,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:55,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:55,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:55,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:55,087 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:55,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-08 22:53:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:55,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:55,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:55,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:55,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:55,686 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:55,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:55,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:55,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:55,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:55,689 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:55,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-08 22:53:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:56,232 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:56,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:56,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:56,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:56,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:56,280 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:56,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:56,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:56,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:56,283 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:56,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-08 22:53:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:56,830 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:56,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:56,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:56,877 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:56,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:56,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:56,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:56,889 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:56,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:56,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:56,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:56,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:56,892 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:56,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-08 22:53:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:57,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:57,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:57,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:57,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:57,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-11-08 22:53:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:57,502 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:57,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:57,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:57,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:57,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:57,504 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:57,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-08 22:53:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:58,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:58,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:58,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:58,072 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:58,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:58,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:58,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:58,080 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:58,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:58,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:58,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:58,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:58,083 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:58,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-08 22:53:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:58,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:58,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:58,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:58,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:58,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-11-08 22:53:58,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:58,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:58,718 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:58,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:58,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:58,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:58,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:58,721 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:58,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-08 22:53:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:59,343 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:59,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:53:59,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:59,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:53:59,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-11-08 22:53:59,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:59,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:53:59,399 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:53:59,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:59,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:59,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:59,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:59,402 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:59,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-08 22:54:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:00,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:00,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:00,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:00,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:00,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:00,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:00,086 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:00,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:00,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:00,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:00,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:00,090 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:00,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-08 22:54:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:00,645 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:00,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:00,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:00,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-08 22:54:00,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:00,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:00,686 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:00,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:00,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:00,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:00,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:00,689 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:00,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-08 22:54:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:01,266 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:01,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:01,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:01,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:01,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:01,316 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:01,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:01,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:01,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:01,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:01,320 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:01,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-08 22:54:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:01,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:01,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:01,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:01,913 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:01,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:01,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:01,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:01,921 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:01,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:01,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:01,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:01,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:01,922 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:01,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-08 22:54:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:02,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:02,510 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:02,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:02,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:02,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:02,517 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:02,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:02,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:02,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:02,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:02,520 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:02,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-08 22:54:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:03,075 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:03,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:03,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:03,111 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:03,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-11-08 22:54:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:03,118 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:03,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:03,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:03,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:03,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:03,119 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:03,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-08 22:54:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:03,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:03,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:03,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:03,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:03,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-08 22:54:03,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:03,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:03,779 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:03,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:03,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:03,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:03,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:03,780 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:03,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-08 22:54:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:04,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:04,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:04,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:04,384 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:04,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:04,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:04,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:04,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:04,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:04,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:04,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:04,394 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:04,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-08 22:54:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:04,954 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:04,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:04,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:04,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:04,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-11-08 22:54:04,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:04,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:04,994 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:04,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:04,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:04,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:04,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:04,996 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:04,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-08 22:54:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:05,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:05,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:05,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:05,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:05,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-08 22:54:05,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:05,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:05,593 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:05,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:05,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:05,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:05,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:05,596 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:05,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-08 22:54:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:06,157 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:06,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:06,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:06,194 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:06,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-11-08 22:54:06,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:06,201 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:06,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:06,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:06,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:06,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:06,204 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:06,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-08 22:54:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:06,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:06,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:06,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:06,828 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:06,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:06,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:06,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:06,835 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:06,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:06,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:06,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:06,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:06,836 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:06,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-08 22:54:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:07,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:07,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:07,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:07,444 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:07,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:07,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:07,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:07,456 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:07,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:07,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:07,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:07,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:07,459 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:07,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-08 22:54:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,042 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:08,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:08,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:08,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:08,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:08,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:08,085 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:08,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:08,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:08,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:08,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:08,086 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:08,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-08 22:54:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,655 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:08,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:08,691 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:08,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-11-08 22:54:08,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:08,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:08,699 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:08,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:08,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:08,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:08,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:08,700 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:08,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-08 22:54:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:09,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:09,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:09,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:09,315 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:09,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-08 22:54:09,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:09,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:09,328 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:09,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:09,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:09,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:09,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:09,331 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:09,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-08 22:54:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:09,906 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:09,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:09,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:09,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:09,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:09,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:09,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:09,951 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:09,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:09,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:09,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:09,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:09,956 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:09,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-08 22:54:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:10,541 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:10,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:10,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:10,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:10,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:10,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:10,580 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:10,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:10,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:10,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:10,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:10,583 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:10,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-08 22:54:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:11,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:11,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:11,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:11,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:11,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:11,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:11,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:11,206 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:11,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:11,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:11,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:11,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:11,210 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:11,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-08 22:54:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:11,798 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:11,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:11,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:11,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:11,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:11,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:11,847 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:11,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:11,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:11,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:11,850 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:11,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-08 22:54:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:12,452 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:12,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:12,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:12,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:12,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-11-08 22:54:12,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:12,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:12,507 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:12,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:12,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:12,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:12,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:12,510 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:12,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-08 22:54:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:13,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:13,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:13,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:13,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:13,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:13,185 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:13,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:13,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:13,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:13,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:13,188 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:13,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-08 22:54:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:13,790 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:13,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:13,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:13,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:13,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:13,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:13,841 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:13,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:13,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:13,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:13,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:13,844 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:13,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-08 22:54:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:14,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:14,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:14,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:14,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:14,481 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:14,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:14,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:14,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:14,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:14,484 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:14,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-08 22:54:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:15,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:15,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:15,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:15,113 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:15,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-11-08 22:54:15,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:15,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:15,120 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:15,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:15,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:15,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:15,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:15,123 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:15,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-08 22:54:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:15,724 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:15,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:15,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:15,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:15,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:15,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:15,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:15,764 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:15,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:15,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:15,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:15,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:15,766 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:15,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-08 22:54:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:16,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:16,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:16,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:16,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:16,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:16,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:16,400 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:16,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:16,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:16,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:16,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:16,401 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:16,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-08 22:54:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:17,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:17,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:17,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:17,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:17,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-11-08 22:54:17,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:17,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:17,045 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:17,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:17,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:17,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:17,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:17,047 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:17,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-08 22:54:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:17,642 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:17,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:17,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:17,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:17,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:17,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:17,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:17,685 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:17,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:17,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:17,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:17,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:17,687 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:17,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-08 22:54:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:18,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:18,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:18,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:18,328 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:18,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-11-08 22:54:18,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:18,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:18,335 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:18,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:18,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:18,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:18,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:18,336 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:18,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-08 22:54:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:18,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:18,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:18,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:18,975 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:18,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:18,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:18,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:18,987 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:18,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:18,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:18,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:18,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:18,990 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:18,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-08 22:54:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:19,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:19,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:19,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:19,641 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:19,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:19,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:19,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:19,649 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:19,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:19,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:19,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:19,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:19,652 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:19,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-08 22:54:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:20,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:20,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:20,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:20,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:20,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:20,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:20,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:20,321 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:20,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:20,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:20,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:20,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:20,324 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:20,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-08 22:54:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:20,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:20,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:20,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:20,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:20,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:20,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:21,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:21,000 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:21,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:21,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:21,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:21,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:21,003 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:21,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-08 22:54:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:21,620 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:21,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:21,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:21,654 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:21,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:21,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:21,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:21,660 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:21,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:21,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:21,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:21,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:21,661 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:21,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-08 22:54:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:22,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:22,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:22,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:22,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:22,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:22,307 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:22,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:22,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:22,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:22,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:22,308 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:22,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-08 22:54:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:22,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:22,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:22,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:23,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-08 22:54:23,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:23,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:23,007 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:23,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:23,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:23,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:23,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:23,008 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:23,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-08 22:54:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:23,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:23,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:23,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:23,659 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:23,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:23,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:23,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:23,669 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:23,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:23,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:23,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:23,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:23,672 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:23,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-08 22:54:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:24,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:24,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:24,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:24,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:24,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:24,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:24,346 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:24,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:24,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:24,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:24,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:24,349 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:24,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-08 22:54:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:24,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:25,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:25,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:25,011 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:25,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-08 22:54:25,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:25,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:25,018 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:25,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:25,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:25,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:25,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:25,019 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:25,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-08 22:54:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:25,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:25,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:25,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:25,674 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:25,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:25,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:25,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:25,689 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:25,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:25,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:25,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:25,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:25,690 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:25,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-08 22:54:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:26,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:26,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:26,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:26,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-11-08 22:54:26,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:26,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:26,354 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:26,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:26,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:26,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:26,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:26,357 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:26,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-08 22:54:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:26,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:27,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:27,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:27,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:27,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-11-08 22:54:27,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:27,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:27,024 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:27,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:27,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:27,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:27,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:27,026 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:27,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-08 22:54:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:27,653 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:27,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:27,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:27,687 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:27,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:27,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:27,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:27,695 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:27,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:27,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:27,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:27,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:27,696 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:27,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-08 22:54:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:28,327 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:28,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:28,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:28,362 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:28,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-11-08 22:54:28,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:28,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:28,369 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:28,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:28,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:28,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:28,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:28,372 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:28,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-08 22:54:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:29,095 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:29,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:29,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:29,131 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:29,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:29,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:29,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:29,138 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:29,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:29,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:29,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:29,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:29,141 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:29,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-08 22:54:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:29,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:29,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:29,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:29,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:29,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:29,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:29,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:29,900 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:29,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:29,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:29,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:29,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:29,901 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:29,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-08 22:54:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:30,574 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:30,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:30,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:30,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:30,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:30,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:30,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:30,619 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:30,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:30,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:30,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:30,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:30,621 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:30,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-08 22:54:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:31,260 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:31,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:31,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:31,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:31,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-11-08 22:54:31,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:31,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:31,303 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:31,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:31,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:31,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:31,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:31,306 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:31,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-08 22:54:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:31,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:31,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:31,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:32,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:32,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:32,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:32,014 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:32,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:32,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:32,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:32,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:32,016 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:32,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-08 22:54:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:32,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:32,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:32,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:32,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:32,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:32,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:32,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:32,768 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:32,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:32,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:32,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:32,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:32,773 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:32,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-08 22:54:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:33,451 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:33,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:33,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:33,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:33,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-08 22:54:33,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:33,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:33,503 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:33,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:33,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:33,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:33,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:33,504 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:33,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-08 22:54:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:34,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:34,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:34,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:34,188 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:34,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-08 22:54:34,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:34,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:34,195 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:34,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:34,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:34,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:34,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:34,198 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:34,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-08 22:54:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:34,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:34,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:34,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:34,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:34,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:34,889 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:34,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:34,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:34,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:34,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:34,892 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:34,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-08 22:54:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:35,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:35,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:35,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:35,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:35,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:35,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:35,614 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:35,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:35,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:35,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:35,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:35,618 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:35,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-08 22:54:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:36,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:36,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:36,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:36,323 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:36,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:36,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:36,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:36,334 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:36,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:36,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:36,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:36,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:36,338 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:36,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-08 22:54:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:37,007 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:37,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:37,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:37,043 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:37,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-11-08 22:54:37,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:37,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:37,051 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:37,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:37,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:37,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:37,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:37,053 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:37,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-08 22:54:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:37,714 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:37,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:37,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:37,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:37,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-11-08 22:54:37,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:37,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:37,768 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:37,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:37,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:37,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:37,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:37,771 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:37,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-08 22:54:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:38,442 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:38,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:38,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:38,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:38,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-08 22:54:38,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:38,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:38,486 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:38,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:38,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:38,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:38,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:38,487 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:38,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-08 22:54:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:39,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:39,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:39,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:39,185 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:39,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-08 22:54:39,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:39,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:39,193 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:39,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:39,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:39,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:39,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:39,194 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:39,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-08 22:54:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:39,859 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:39,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:39,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:39,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:39,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:39,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:39,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:39,906 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:39,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:39,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:39,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:39,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:39,907 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:39,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-08 22:54:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:40,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:40,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:40,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:40,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:40,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:40,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:40,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:40,627 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:40,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:40,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:40,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:40,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:40,630 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:40,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-08 22:54:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:41,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:41,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:41,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:41,340 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:41,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:41,348 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:41,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:41,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:41,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:41,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:41,350 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:41,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-08 22:54:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:42,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:42,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:42,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:42,054 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:42,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:42,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:42,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:42,062 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:42,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:42,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:42,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:42,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:42,063 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:42,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-08 22:54:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:42,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:42,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:42,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:42,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:42,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-11-08 22:54:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:42,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:42,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:42,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:42,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:42,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:42,818 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:42,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-08 22:54:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:43,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:43,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:43,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:43,537 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:43,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:43,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:43,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:43,549 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:43,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:43,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:43,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:43,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:43,552 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:43,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-08 22:54:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:44,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:44,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:44,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:44,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:44,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:44,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:44,287 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:44,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:44,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:44,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:44,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:44,290 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:44,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-08 22:54:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:44,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:45,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:45,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:45,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:45,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:45,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:45,026 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:45,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:45,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:45,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:45,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:45,027 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:45,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-08 22:54:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:45,710 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:45,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:45,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:45,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:45,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:45,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:45,753 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:45,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:45,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:45,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:45,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:45,754 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:45,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-08 22:54:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:46,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:46,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:46,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:46,468 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:46,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:46,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:46,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:46,478 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:46,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:46,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:46,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:46,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:46,479 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:46,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-08 22:54:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:47,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:47,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:47,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:47,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:47,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-11-08 22:54:47,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:47,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:47,204 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:47,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:47,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:47,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:47,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:47,206 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:47,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-08 22:54:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:47,887 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:47,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:47,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:47,922 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:47,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:47,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:47,931 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:47,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:47,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:47,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:47,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:47,932 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:47,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-08 22:54:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:48,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:48,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:48,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:48,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-08 22:54:48,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:48,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:48,671 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:48,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:48,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:48,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:48,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:48,672 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:48,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-08 22:54:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:49,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:49,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:49,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:49,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:49,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-08 22:54:49,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:49,403 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:49,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:49,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:49,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:49,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:49,404 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:49,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-08 22:54:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:50,097 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:50,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:50,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:50,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-08 22:54:50,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:50,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:50,145 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:50,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:50,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:50,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:50,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:50,149 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:50,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-08 22:54:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:50,845 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:50,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:50,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:50,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-11-08 22:54:50,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:50,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:50,887 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:50,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:50,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:50,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:50,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:50,888 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:50,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-08 22:54:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:51,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:51,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:51,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:51,618 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:51,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-11-08 22:54:51,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:51,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:51,626 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:51,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:51,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:51,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:51,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:51,627 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:51,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-08 22:54:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:52,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:52,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:52,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:52,352 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:52,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-08 22:54:52,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:52,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:52,360 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:52,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:52,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:52,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:52,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:52,361 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:52,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-08 22:54:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:53,106 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:53,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:53,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:53,140 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:53,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-08 22:54:53,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:53,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:53,147 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:53,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:53,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:53,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:53,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:53,148 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:53,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-08 22:54:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:53,845 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:53,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:53,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:53,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-08 22:54:53,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:53,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:53,888 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:53,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:53,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:53,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:53,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:53,889 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:53,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-08 22:54:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:54,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:54,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:54,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:54,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-11-08 22:54:54,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:54,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:54,630 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:54,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:54,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:54,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:54,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:54,631 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:54,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-08 22:54:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:55,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:55,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:55,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:55,363 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:55,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-08 22:54:55,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:55,371 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:55,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:55,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:55,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:55,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:55,373 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:55,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-08 22:54:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:56,077 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:56,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:56,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:56,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:56,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:56,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:56,123 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:56,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:56,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:56,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:56,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:56,124 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:56,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-08 22:54:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:56,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:56,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:56,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:56,863 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:56,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-08 22:54:56,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:56,871 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:56,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:56,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:56,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:56,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:56,872 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:56,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-08 22:54:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:57,582 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:57,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:57,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:57,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-08 22:54:57,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:57,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:57,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:57,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:57,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:57,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:57,626 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:57,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-08 22:54:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:58,349 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:58,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:58,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:58,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:58,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-11-08 22:54:58,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:58,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:58,401 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:58,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:58,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:58,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:58,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:58,404 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:58,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-08 22:54:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:59,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:59,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:59,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:59,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:59,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:59,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:59,176 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:59,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:59,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:59,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:59,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:59,177 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:59,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-08 22:54:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:59,888 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:59,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:54:59,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:59,922 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:54:59,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-11-08 22:54:59,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:59,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:54:59,930 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:54:59,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:59,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:59,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:59,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:59,931 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:59,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-08 22:55:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:00,652 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:00,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:00,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:00,687 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:00,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:00,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:00,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:00,695 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:00,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:00,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:00,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:00,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:00,696 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:00,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-08 22:55:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:01,411 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:01,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:01,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:01,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:01,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:01,460 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:01,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:01,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:01,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:01,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:01,461 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:01,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-08 22:55:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:02,183 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:02,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:02,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:02,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:02,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:02,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:02,224 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:02,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:02,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:02,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:02,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:02,226 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:02,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-08 22:55:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:02,946 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:02,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:02,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:02,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:02,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:02,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:02,993 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:02,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:02,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:02,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:02,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:02,995 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:02,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-08 22:55:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:03,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:03,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:03,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:03,755 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:03,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:03,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:03,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:03,764 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:03,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:03,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:03,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:03,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:03,766 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:03,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-08 22:55:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:04,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:04,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:04,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:04,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:04,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:04,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:04,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:04,569 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:04,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:04,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:04,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:04,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:04,572 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:04,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-08 22:55:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:05,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:05,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:05,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:05,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:05,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:05,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:05,367 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:05,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:05,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:05,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:05,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:05,369 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:05,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-08 22:55:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:06,093 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:06,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:06,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:06,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-08 22:55:06,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:06,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:06,139 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:06,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:06,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:06,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:06,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:06,140 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:06,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-08 22:55:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:06,872 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:06,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:06,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:06,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-11-08 22:55:06,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:06,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:06,916 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:06,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:06,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:06,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:06,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:06,918 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:06,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-08 22:55:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:07,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:07,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:07,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:07,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:07,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:07,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:07,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:07,693 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:07,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:07,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:07,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:07,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:07,696 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:07,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-08 22:55:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:08,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:08,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:08,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:08,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:08,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-08 22:55:08,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:08,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:08,472 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:08,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:08,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:08,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:08,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:08,473 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:08,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-08 22:55:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:09,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:09,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:09,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:09,234 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:09,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:09,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:09,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:09,246 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:09,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:09,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:09,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:09,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:09,247 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:09,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-08 22:55:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:09,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:10,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:10,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:10,019 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:10,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-08 22:55:10,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:10,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:10,029 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:10,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:10,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:10,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:10,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:10,030 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:10,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-08 22:55:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:10,777 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:10,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:10,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:10,822 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:10,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-08 22:55:10,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:10,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:10,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:10,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:10,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:10,843 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:10,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-08 22:55:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:11,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:11,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:11,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:11,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:11,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:11,651 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:11,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:11,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:11,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:11,652 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:11,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-08 22:55:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:12,398 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:12,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:12,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:12,438 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:12,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-11-08 22:55:12,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:12,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:12,449 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:12,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:12,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:12,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:12,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:12,450 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:12,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-08 22:55:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:13,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:13,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:13,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:13,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:13,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:13,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:13,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:13,321 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:13,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:13,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:13,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:13,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:13,322 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:13,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-08 22:55:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:14,080 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:14,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:14,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:14,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:14,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:14,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:14,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:14,126 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:14,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:14,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:14,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:14,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:14,127 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:14,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-08 22:55:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:14,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:14,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:14,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:14,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:14,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:14,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:14,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:14,927 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:14,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:14,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:14,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:14,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:14,928 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:14,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-08 22:55:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:15,680 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:15,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:15,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:15,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:15,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:15,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:15,729 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:15,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:15,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:15,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:15,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:15,732 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:15,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-08 22:55:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:16,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:16,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:16,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:16,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:16,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:16,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:16,532 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:16,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:16,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:16,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:16,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:16,535 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:16,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-08 22:55:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:17,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:17,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:17,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:17,334 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:17,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-11-08 22:55:17,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:17,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:17,349 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:17,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:17,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:17,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:17,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:17,352 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:17,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-08 22:55:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:18,107 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:18,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:18,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:18,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:18,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-11-08 22:55:18,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:18,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:18,154 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:18,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:18,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:18,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:18,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:18,155 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:18,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-08 22:55:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:18,915 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:18,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:18,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:18,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:18,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:18,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:18,963 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:18,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:18,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:18,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:18,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:18,967 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:18,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-08 22:55:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:19,736 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:19,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:19,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:19,770 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:19,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:19,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:19,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:19,781 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:19,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:19,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:19,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:19,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:19,784 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:19,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-08 22:55:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:20,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:20,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:20,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:20,590 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:20,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:20,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:20,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:20,600 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:20,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:20,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:20,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:20,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:20,602 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:20,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-08 22:55:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:21,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:21,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:21,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:21,407 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:21,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-11-08 22:55:21,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:21,419 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:21,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:21,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:21,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:21,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:21,421 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:21,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-08 22:55:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:22,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:22,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:22,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:22,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:22,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:22,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:22,236 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:22,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:22,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:22,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:22,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:22,239 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:22,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-08 22:55:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:23,070 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:23,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:23,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:23,104 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:23,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:23,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:23,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:23,115 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:23,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:23,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:23,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:23,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:23,117 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:23,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-08 22:55:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:23,887 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:23,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:23,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:23,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:23,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:23,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:23,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:23,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:23,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:23,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:23,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:23,934 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:23,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-08 22:55:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:24,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:24,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:24,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:24,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:24,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:24,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:24,757 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:24,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:24,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:24,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:24,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:24,758 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:24,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-08 22:55:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:25,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:25,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:25,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:25,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:25,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:25,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:25,576 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:25,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:25,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:25,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:25,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:25,577 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:25,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-08 22:55:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:26,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:26,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:26,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:26,454 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:26,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:26,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:26,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:26,466 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:26,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:26,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:26,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:26,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:26,467 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:26,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-08 22:55:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:27,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:27,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:27,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:27,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-11-08 22:55:27,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:27,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:27,380 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:27,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:27,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:27,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:27,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:27,381 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:27,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-08 22:55:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:28,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:28,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:28,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:28,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:28,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-11-08 22:55:28,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:28,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:28,210 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:28,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:28,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:28,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:28,213 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:28,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-08 22:55:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:29,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:29,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:29,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:29,066 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:29,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:29,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:29,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:29,083 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:29,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:29,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:29,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:29,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:29,086 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:29,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-08 22:55:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:29,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:29,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:29,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:29,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:29,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:29,938 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:29,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:29,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:29,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:29,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:29,941 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:29,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-08 22:55:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:30,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:30,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:30,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:30,784 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:30,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:30,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:30,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:30,797 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:30,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:30,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:30,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:30,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:30,800 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:30,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-08 22:55:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:31,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:31,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:31,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:31,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:31,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:31,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:31,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:31,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:31,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:31,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:31,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:31,636 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:31,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-08 22:55:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:32,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:32,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:32,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:32,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:32,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-11-08 22:55:32,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:32,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:32,464 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:32,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:32,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:32,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:32,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:32,465 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:32,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-08 22:55:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:33,310 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:33,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:33,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:33,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:33,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-11-08 22:55:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:33,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:33,353 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:33,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:33,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:33,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:33,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:33,354 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:33,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-08 22:55:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:34,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:34,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:34,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:34,185 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:34,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-11-08 22:55:34,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:34,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:34,197 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:34,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:34,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:34,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:34,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:34,198 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:34,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-08 22:55:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:34,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:35,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:35,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:35,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-11-08 22:55:35,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:35,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:35,048 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:35,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:35,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:35,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:35,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:35,049 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:35,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-08 22:55:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:35,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:35,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:35,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:35,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:35,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-11-08 22:55:35,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:35,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:35,888 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:35,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:35,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:35,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:35,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:35,891 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:35,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-11-08 22:55:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:36,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:36,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:36,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:36,735 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:36,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:36,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:36,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:36,748 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:36,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:36,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:36,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:36,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:36,749 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:36,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-11-08 22:55:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:37,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:37,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:37,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:37,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:37,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (370)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:37,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:37,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:37,599 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:37,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:37,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:37,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:37,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:37,600 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:37,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-11-08 22:55:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:38,404 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:38,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:38,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:38,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:55:38,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (371)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:38,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:55:38,448 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:55:38,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:55:38,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:38,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:38,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:38,450 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:38,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-11-08 22:55:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:39,255 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:39,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:39,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:39,289 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2024-11-08 22:56:37,025 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:37,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (436)] Waiting until timeout for monitored process [2024-11-08 22:56:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:37,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:37,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:37,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:37,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:37,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (436)] Ended with exit code 0 [2024-11-08 22:56:37,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:37,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:37,992 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:37,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:37,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:37,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:37,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:37,993 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:37,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (437)] Waiting until timeout for monitored process [2024-11-08 22:56:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:38,917 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:38,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:38,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:38,950 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:38,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (437)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:38,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:38,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:38,968 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:38,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:38,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:38,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:38,970 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:38,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (438)] Waiting until timeout for monitored process [2024-11-08 22:56:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:39,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:39,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:39,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:39,933 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:39,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (438)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:39,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:39,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:39,946 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:39,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:39,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:39,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:39,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:39,947 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:39,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (439)] Waiting until timeout for monitored process [2024-11-08 22:56:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:40,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:40,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:40,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:40,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:40,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (439)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:40,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:40,930 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:40,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:40,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:40,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:40,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:40,931 INFO L229 MonitoredProcess]: Starting monitored process 440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:40,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (440)] Waiting until timeout for monitored process [2024-11-08 22:56:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:41,863 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:41,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:41,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:41,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (440)] Ended with exit code 0 [2024-11-08 22:56:41,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:41,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:41,909 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:41,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:41,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:41,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:41,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:41,910 INFO L229 MonitoredProcess]: Starting monitored process 441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:41,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (441)] Waiting until timeout for monitored process [2024-11-08 22:56:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:42,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:42,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:42,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:42,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:42,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (441)] Ended with exit code 0 [2024-11-08 22:56:42,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:42,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:42,963 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:42,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:42,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:42,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:42,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:42,966 INFO L229 MonitoredProcess]: Starting monitored process 442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:42,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (442)] Waiting until timeout for monitored process [2024-11-08 22:56:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:43,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:43,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:43,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:43,938 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:43,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (442)] Ended with exit code 0 [2024-11-08 22:56:43,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:43,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:43,951 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:43,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:43,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:43,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:43,952 INFO L229 MonitoredProcess]: Starting monitored process 443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:43,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (443)] Waiting until timeout for monitored process [2024-11-08 22:56:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:44,893 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:44,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:44,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:44,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (443)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:44,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:44,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:44,941 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:44,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:44,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:44,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:44,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:44,942 INFO L229 MonitoredProcess]: Starting monitored process 444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:44,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (444)] Waiting until timeout for monitored process [2024-11-08 22:56:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:45,887 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:45,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:45,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:45,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:45,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (444)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:45,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:45,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:45,935 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:45,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:45,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:45,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:45,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:45,936 INFO L229 MonitoredProcess]: Starting monitored process 445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:45,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (445)] Waiting until timeout for monitored process [2024-11-08 22:56:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:46,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:46,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:46,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:46,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (445)] Ended with exit code 0 [2024-11-08 22:56:46,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:46,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:46,927 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:46,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:46,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:46,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:46,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:46,928 INFO L229 MonitoredProcess]: Starting monitored process 446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:46,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (446)] Waiting until timeout for monitored process [2024-11-08 22:56:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:47,872 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:47,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:47,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:47,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (446)] Ended with exit code 0 [2024-11-08 22:56:47,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:47,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:47,923 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:47,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:47,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:47,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:47,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:47,927 INFO L229 MonitoredProcess]: Starting monitored process 447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:47,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (447)] Waiting until timeout for monitored process [2024-11-08 22:56:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:48,900 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:48,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:48,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:48,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:48,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (447)] Ended with exit code 0 [2024-11-08 22:56:48,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:48,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:48,950 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:48,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:48,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:48,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:48,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:48,951 INFO L229 MonitoredProcess]: Starting monitored process 448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:48,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (448)] Waiting until timeout for monitored process [2024-11-08 22:56:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:49,897 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:49,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:49,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:49,931 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:49,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (448)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:49,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:49,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:49,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:49,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:49,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:49,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:49,945 INFO L229 MonitoredProcess]: Starting monitored process 449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:49,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (449)] Waiting until timeout for monitored process [2024-11-08 22:56:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:50,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:50,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:50,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:50,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (449)] Ended with exit code 0 [2024-11-08 22:56:50,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:50,959 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:50,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:50,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:50,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:50,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:50,960 INFO L229 MonitoredProcess]: Starting monitored process 450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:50,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (450)] Waiting until timeout for monitored process [2024-11-08 22:56:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:51,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:51,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:51,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:51,956 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:51,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (450)] Ended with exit code 0 [2024-11-08 22:56:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:51,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:51,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:51,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:51,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:51,972 INFO L229 MonitoredProcess]: Starting monitored process 451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:51,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (451)] Waiting until timeout for monitored process [2024-11-08 22:56:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:52,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:52,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:52,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:53,003 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:53,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (451)] Ended with exit code 0 [2024-11-08 22:56:53,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:53,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:53,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:53,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:53,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:53,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:53,020 INFO L229 MonitoredProcess]: Starting monitored process 452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:53,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (452)] Waiting until timeout for monitored process [2024-11-08 22:56:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:53,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:54,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:54,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:54,013 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:54,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (452)] Ended with exit code 0 [2024-11-08 22:56:54,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:54,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:54,027 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:54,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:54,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:54,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:54,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:54,030 INFO L229 MonitoredProcess]: Starting monitored process 453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:54,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (453)] Waiting until timeout for monitored process [2024-11-08 22:56:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:54,987 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:55,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:55,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:55,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:55,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (453)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:55,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:55,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:55,038 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:55,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:55,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:55,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:55,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:55,040 INFO L229 MonitoredProcess]: Starting monitored process 454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:55,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (454)] Waiting until timeout for monitored process [2024-11-08 22:56:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:55,995 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:56,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:56,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:56,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:56,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (454)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:56,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:56,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:56,042 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:56,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:56,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:56,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:56,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:56,044 INFO L229 MonitoredProcess]: Starting monitored process 455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:56,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (455)] Waiting until timeout for monitored process [2024-11-08 22:56:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:57,014 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:57,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:57,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:57,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (455)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:57,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:57,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:57,062 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:57,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:57,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:57,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:57,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:57,063 INFO L229 MonitoredProcess]: Starting monitored process 456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:57,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (456)] Waiting until timeout for monitored process [2024-11-08 22:56:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:58,036 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:58,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:58,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:58,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:58,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (456)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:58,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:58,082 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:58,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:58,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:58,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:58,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:58,083 INFO L229 MonitoredProcess]: Starting monitored process 457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:58,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (457)] Waiting until timeout for monitored process [2024-11-08 22:56:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:59,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:59,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:56:59,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:59,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:56:59,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (457)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:59,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:59,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:56:59,095 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:56:59,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:56:59,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:59,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:59,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:59,096 INFO L229 MonitoredProcess]: Starting monitored process 458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:59,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (458)] Waiting until timeout for monitored process [2024-11-08 22:57:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:00,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:00,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:00,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:00,099 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:00,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (458)] Ended with exit code 0 [2024-11-08 22:57:00,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:00,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:00,113 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:00,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:00,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:00,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:00,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:00,115 INFO L229 MonitoredProcess]: Starting monitored process 459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:00,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (459)] Waiting until timeout for monitored process [2024-11-08 22:57:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:01,102 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:01,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:01,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:01,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:01,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (459)] Ended with exit code 0 [2024-11-08 22:57:01,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:01,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:01,152 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:01,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:01,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:01,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:01,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:01,153 INFO L229 MonitoredProcess]: Starting monitored process 460 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:01,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (460)] Waiting until timeout for monitored process [2024-11-08 22:57:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:02,134 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:02,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:02,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:02,168 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:02,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (460)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:02,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:02,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:02,182 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:02,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:02,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:02,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:02,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:02,185 INFO L229 MonitoredProcess]: Starting monitored process 461 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:02,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (461)] Waiting until timeout for monitored process [2024-11-08 22:57:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:03,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:03,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:03,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:03,274 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:03,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (461)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:03,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:03,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:03,289 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:03,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:03,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:03,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:03,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:03,290 INFO L229 MonitoredProcess]: Starting monitored process 462 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:03,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (462)] Waiting until timeout for monitored process [2024-11-08 22:57:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:04,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:04,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:04,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:04,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:04,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (462)] Ended with exit code 0 [2024-11-08 22:57:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:04,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:04,378 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:04,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:04,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:04,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:04,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:04,381 INFO L229 MonitoredProcess]: Starting monitored process 463 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:04,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (463)] Waiting until timeout for monitored process [2024-11-08 22:57:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:05,391 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:05,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:05,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:05,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:05,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (463)] Ended with exit code 0 [2024-11-08 22:57:05,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:05,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:05,445 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:05,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:05,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:05,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:05,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:05,446 INFO L229 MonitoredProcess]: Starting monitored process 464 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:05,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (464)] Waiting until timeout for monitored process [2024-11-08 22:57:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:06,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:06,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:06,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:06,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (464)] Ended with exit code 0 [2024-11-08 22:57:06,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:06,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:06,489 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:06,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:06,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:06,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:06,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:06,490 INFO L229 MonitoredProcess]: Starting monitored process 465 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:06,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (465)] Waiting until timeout for monitored process [2024-11-08 22:57:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:07,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:07,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:07,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:07,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:07,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (465)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:07,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:07,542 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:07,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:07,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:07,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:07,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:07,543 INFO L229 MonitoredProcess]: Starting monitored process 466 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:07,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (466)] Waiting until timeout for monitored process [2024-11-08 22:57:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:08,533 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:08,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:08,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:08,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:08,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (466)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:08,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:08,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:08,580 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:08,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:08,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:08,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:08,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:08,581 INFO L229 MonitoredProcess]: Starting monitored process 467 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:08,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (467)] Waiting until timeout for monitored process [2024-11-08 22:57:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:09,574 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:09,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:09,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:09,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:09,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (467)] Ended with exit code 0 [2024-11-08 22:57:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:09,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:09,622 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:09,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:09,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:09,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:09,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:09,623 INFO L229 MonitoredProcess]: Starting monitored process 468 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:09,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (468)] Waiting until timeout for monitored process [2024-11-08 22:57:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:10,617 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:10,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:10,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:10,651 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:10,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (468)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:10,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:10,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:10,670 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:10,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:10,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:10,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:10,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:10,673 INFO L229 MonitoredProcess]: Starting monitored process 469 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:10,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (469)] Waiting until timeout for monitored process [2024-11-08 22:57:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:11,679 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:11,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:11,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:11,714 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:11,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (469)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:11,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:11,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:11,728 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:11,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:11,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:11,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:11,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:11,729 INFO L229 MonitoredProcess]: Starting monitored process 470 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:11,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (470)] Waiting until timeout for monitored process [2024-11-08 22:57:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:12,765 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:12,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:12,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:12,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (470)] Ended with exit code 0 [2024-11-08 22:57:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:12,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:12,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:12,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:12,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:12,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:12,824 INFO L229 MonitoredProcess]: Starting monitored process 471 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:12,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (471)] Waiting until timeout for monitored process [2024-11-08 22:57:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:13,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:13,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:13,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:13,862 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:13,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (471)] Ended with exit code 0 [2024-11-08 22:57:13,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:13,877 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:13,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:13,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:13,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:13,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:13,880 INFO L229 MonitoredProcess]: Starting monitored process 472 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:13,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (472)] Waiting until timeout for monitored process [2024-11-08 22:57:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:14,882 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:14,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:14,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:14,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:14,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (472)] Ended with exit code 0 [2024-11-08 22:57:14,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:14,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:14,928 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:14,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:14,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:14,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:14,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:14,930 INFO L229 MonitoredProcess]: Starting monitored process 473 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:14,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (473)] Waiting until timeout for monitored process [2024-11-08 22:57:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:15,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:15,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:15,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:16,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (473)] Ended with exit code 0 [2024-11-08 22:57:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:16,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:16,016 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:16,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:16,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:16,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:16,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:16,017 INFO L229 MonitoredProcess]: Starting monitored process 474 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:16,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (474)] Waiting until timeout for monitored process [2024-11-08 22:57:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:17,065 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:17,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:17,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:17,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:17,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (474)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:17,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:17,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:17,115 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:17,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:17,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:17,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:17,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:17,116 INFO L229 MonitoredProcess]: Starting monitored process 475 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:17,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (475)] Waiting until timeout for monitored process [2024-11-08 22:57:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:18,138 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:18,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:18,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:18,183 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:18,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (475)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:18,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:18,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:18,202 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:18,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:18,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:18,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:18,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:18,205 INFO L229 MonitoredProcess]: Starting monitored process 476 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:18,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (476)] Waiting until timeout for monitored process [2024-11-08 22:57:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:19,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:19,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:19,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:19,271 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:19,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (476)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:19,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:19,286 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:19,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:19,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:19,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:19,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:19,287 INFO L229 MonitoredProcess]: Starting monitored process 477 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:19,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (477)] Waiting until timeout for monitored process [2024-11-08 22:57:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:20,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:20,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:20,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:20,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (477)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:20,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:20,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:20,374 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:20,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:20,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:20,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:20,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:20,375 INFO L229 MonitoredProcess]: Starting monitored process 478 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:20,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (478)] Waiting until timeout for monitored process [2024-11-08 22:57:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:21,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:21,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:21,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:21,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:21,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (478)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:21,431 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:21,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:21,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:21,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:21,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:21,432 INFO L229 MonitoredProcess]: Starting monitored process 479 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:21,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (479)] Waiting until timeout for monitored process [2024-11-08 22:57:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:22,451 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:22,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:22,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:22,491 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:22,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (479)] Ended with exit code 0 [2024-11-08 22:57:22,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:22,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:22,506 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:22,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:22,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:22,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:22,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:22,507 INFO L229 MonitoredProcess]: Starting monitored process 480 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:22,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (480)] Waiting until timeout for monitored process [2024-11-08 22:57:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:23,582 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:23,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:23,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:23,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (480)] Ended with exit code 0 [2024-11-08 22:57:23,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:23,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:23,632 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:23,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:23,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:23,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:23,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:23,633 INFO L229 MonitoredProcess]: Starting monitored process 481 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:23,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (481)] Waiting until timeout for monitored process [2024-11-08 22:57:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:24,665 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:24,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:24,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:24,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (481)] Ended with exit code 0 [2024-11-08 22:57:24,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:24,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:24,713 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:24,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:24,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:24,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:24,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:24,714 INFO L229 MonitoredProcess]: Starting monitored process 482 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:24,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (482)] Waiting until timeout for monitored process [2024-11-08 22:57:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:25,730 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:25,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:25,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:25,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (482)] Ended with exit code 0 [2024-11-08 22:57:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:25,777 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:25,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:25,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:25,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:25,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:25,778 INFO L229 MonitoredProcess]: Starting monitored process 483 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:25,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (483)] Waiting until timeout for monitored process [2024-11-08 22:57:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:26,802 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:26,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:26,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:26,835 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:26,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (483)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:26,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:26,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:26,851 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:26,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:26,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:26,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:26,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:26,853 INFO L229 MonitoredProcess]: Starting monitored process 484 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:26,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (484)] Waiting until timeout for monitored process [2024-11-08 22:57:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:27,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:27,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:27,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:27,910 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:27,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (484)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:27,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:27,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:27,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:27,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:27,925 INFO L229 MonitoredProcess]: Starting monitored process 485 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:27,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (485)] Waiting until timeout for monitored process [2024-11-08 22:57:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:28,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:28,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:28,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:28,985 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:28,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (485)] Ended with exit code 0 [2024-11-08 22:57:28,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:29,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:29,000 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:29,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:29,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:29,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:29,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:29,001 INFO L229 MonitoredProcess]: Starting monitored process 486 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:29,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (486)] Waiting until timeout for monitored process [2024-11-08 22:57:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:30,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:30,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:30,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:30,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:30,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (486)] Ended with exit code 0 [2024-11-08 22:57:30,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:30,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:30,073 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:30,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:30,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:30,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:30,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:30,074 INFO L229 MonitoredProcess]: Starting monitored process 487 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:30,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (487)] Waiting until timeout for monitored process [2024-11-08 22:57:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:31,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:31,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:31,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:31,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:31,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (487)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:31,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:31,163 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:31,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:31,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:31,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:31,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:31,164 INFO L229 MonitoredProcess]: Starting monitored process 488 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:31,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (488)] Waiting until timeout for monitored process [2024-11-08 22:57:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:32,191 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:32,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:32,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:32,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:32,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (488)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:32,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:32,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:32,245 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:32,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:32,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:32,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:32,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:32,247 INFO L229 MonitoredProcess]: Starting monitored process 489 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:32,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (489)] Waiting until timeout for monitored process [2024-11-08 22:57:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:33,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:33,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:33,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:33,346 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:33,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (489)] Ended with exit code 0 [2024-11-08 22:57:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:33,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:33,360 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:33,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:33,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:33,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:33,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:33,361 INFO L229 MonitoredProcess]: Starting monitored process 490 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:33,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (490)] Waiting until timeout for monitored process [2024-11-08 22:57:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:34,398 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:34,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:34,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:34,430 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:34,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (490)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:34,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:34,445 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:34,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:34,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:34,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:34,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:34,448 INFO L229 MonitoredProcess]: Starting monitored process 491 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:34,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (491)] Waiting until timeout for monitored process [2024-11-08 22:57:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:35,507 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:35,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:35,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:35,542 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:35,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (491)] Ended with exit code 0 [2024-11-08 22:57:35,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:35,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:35,562 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:35,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:35,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:35,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:35,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:35,565 INFO L229 MonitoredProcess]: Starting monitored process 492 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:35,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (492)] Waiting until timeout for monitored process [2024-11-08 22:57:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:36,613 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:36,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:36,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:36,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (492)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:36,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:36,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:36,661 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:36,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:36,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:36,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:36,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:36,662 INFO L229 MonitoredProcess]: Starting monitored process 493 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:36,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (493)] Waiting until timeout for monitored process [2024-11-08 22:57:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:37,707 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:37,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:37,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:37,741 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:37,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (493)] Ended with exit code 0 [2024-11-08 22:57:37,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:37,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:37,756 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:37,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:37,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:37,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:37,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:37,757 INFO L229 MonitoredProcess]: Starting monitored process 494 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:37,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (494)] Waiting until timeout for monitored process [2024-11-08 22:57:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:38,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:38,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:38,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:38,857 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:38,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (494)] Ended with exit code 0 [2024-11-08 22:57:38,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:38,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:38,871 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:38,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:38,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:38,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:38,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:38,872 INFO L229 MonitoredProcess]: Starting monitored process 495 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:38,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (495)] Waiting until timeout for monitored process [2024-11-08 22:57:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:39,917 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:39,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:39,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:39,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (495)] Ended with exit code 0 [2024-11-08 22:57:39,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:39,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:39,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:39,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:39,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:39,967 INFO L229 MonitoredProcess]: Starting monitored process 496 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:39,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (496)] Waiting until timeout for monitored process [2024-11-08 22:57:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:41,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:41,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:41,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:41,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (496)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:41,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:41,093 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:41,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:41,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:41,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:41,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:41,094 INFO L229 MonitoredProcess]: Starting monitored process 497 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:41,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (497)] Waiting until timeout for monitored process [2024-11-08 22:57:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:42,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:42,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:42,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:42,168 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:42,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (497)] Ended with exit code 0 [2024-11-08 22:57:42,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:42,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:42,182 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:42,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:42,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:42,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:42,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:42,183 INFO L229 MonitoredProcess]: Starting monitored process 498 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:42,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (498)] Waiting until timeout for monitored process [2024-11-08 22:57:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:43,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:43,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:43,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:43,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:43,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (498)] Ended with exit code 0 [2024-11-08 22:57:43,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:43,316 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:43,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:43,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:43,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:43,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:43,317 INFO L229 MonitoredProcess]: Starting monitored process 499 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:43,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (499)] Waiting until timeout for monitored process [2024-11-08 22:57:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:44,361 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:44,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:44,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:44,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:44,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (499)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:44,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:44,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:44,416 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:44,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:44,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:44,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:44,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:44,417 INFO L229 MonitoredProcess]: Starting monitored process 500 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:44,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (500)] Waiting until timeout for monitored process [2024-11-08 22:57:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:45,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:45,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:45,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:45,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:45,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (500)] Ended with exit code 0 [2024-11-08 22:57:45,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:45,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:45,512 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:45,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:45,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:45,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:45,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:45,513 INFO L229 MonitoredProcess]: Starting monitored process 501 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:45,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (501)] Waiting until timeout for monitored process [2024-11-08 22:57:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:46,561 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:46,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:46,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:46,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:46,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (501)] Ended with exit code 0 [2024-11-08 22:57:46,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:46,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:46,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:46,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:46,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:46,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:46,610 INFO L229 MonitoredProcess]: Starting monitored process 502 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:46,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (502)] Waiting until timeout for monitored process [2024-11-08 22:57:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:47,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:47,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:47,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:47,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (502)] Ended with exit code 0 [2024-11-08 22:57:47,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:47,724 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:47,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:47,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:47,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:47,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:47,727 INFO L229 MonitoredProcess]: Starting monitored process 503 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:47,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (503)] Waiting until timeout for monitored process [2024-11-08 22:57:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:48,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:48,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:48,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:48,842 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:48,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (503)] Ended with exit code 0 [2024-11-08 22:57:48,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:48,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:48,857 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:48,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:48,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:48,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:48,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:48,858 INFO L229 MonitoredProcess]: Starting monitored process 504 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:48,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (504)] Waiting until timeout for monitored process [2024-11-08 22:57:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:49,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:49,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:49,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:49,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:50,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (504)] Ended with exit code 0 [2024-11-08 22:57:50,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:50,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:50,009 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:50,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:50,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:50,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:50,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:50,010 INFO L229 MonitoredProcess]: Starting monitored process 505 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:50,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (505)] Waiting until timeout for monitored process [2024-11-08 22:57:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:51,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:51,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:51,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:51,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (505)] Ended with exit code 0 [2024-11-08 22:57:51,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:51,148 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:51,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:51,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:51,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:51,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:51,150 INFO L229 MonitoredProcess]: Starting monitored process 506 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:51,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (506)] Waiting until timeout for monitored process [2024-11-08 22:57:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:52,215 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:52,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:52,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:52,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:52,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (506)] Ended with exit code 0 [2024-11-08 22:57:52,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:52,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:52,263 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:52,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:52,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:52,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:52,264 INFO L229 MonitoredProcess]: Starting monitored process 507 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:52,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (507)] Waiting until timeout for monitored process [2024-11-08 22:57:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:53,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:53,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:53,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:53,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:53,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (507)] Ended with exit code 0 [2024-11-08 22:57:53,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:53,423 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:53,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:53,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:53,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:53,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:53,424 INFO L229 MonitoredProcess]: Starting monitored process 508 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:53,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (508)] Waiting until timeout for monitored process [2024-11-08 22:57:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:54,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:54,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:54,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:54,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:54,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (508)] Ended with exit code 0 [2024-11-08 22:57:54,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:54,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:54,555 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:54,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:54,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:54,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:54,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:54,556 INFO L229 MonitoredProcess]: Starting monitored process 509 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:54,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (509)] Waiting until timeout for monitored process [2024-11-08 22:57:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:55,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:55,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:55,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:55,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:55,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (509)] Ended with exit code 0 [2024-11-08 22:57:55,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:55,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:55,678 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:55,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:55,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:55,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:55,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:55,679 INFO L229 MonitoredProcess]: Starting monitored process 510 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:55,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (510)] Waiting until timeout for monitored process [2024-11-08 22:57:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:56,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:56,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:56,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:56,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (510)] Ended with exit code 0 [2024-11-08 22:57:56,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:56,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:56,798 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:56,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:56,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:56,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:56,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:56,799 INFO L229 MonitoredProcess]: Starting monitored process 511 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:56,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (511)] Waiting until timeout for monitored process [2024-11-08 22:57:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:57,868 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:57,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:57,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:57,909 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:57,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (511)] Ended with exit code 0 [2024-11-08 22:57:57,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:57,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:57,927 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:57,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:57,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:57,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:57,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:57,930 INFO L229 MonitoredProcess]: Starting monitored process 512 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:57,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (512)] Waiting until timeout for monitored process [2024-11-08 22:57:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:59,014 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:59,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:57:59,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:57:59,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (512)] Ended with exit code 0 [2024-11-08 22:57:59,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:59,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:57:59,063 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:57:59,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:57:59,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:59,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:59,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:59,066 INFO L229 MonitoredProcess]: Starting monitored process 513 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:59,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (513)] Waiting until timeout for monitored process [2024-11-08 22:58:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:00,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:00,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:00,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:00,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:00,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (513)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:00,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:00,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:00,250 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:00,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:00,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:00,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:00,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:00,253 INFO L229 MonitoredProcess]: Starting monitored process 514 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:00,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (514)] Waiting until timeout for monitored process [2024-11-08 22:58:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:01,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:01,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:01,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:01,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:01,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (514)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:01,411 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:01,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:01,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:01,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:01,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:01,412 INFO L229 MonitoredProcess]: Starting monitored process 515 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:01,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (515)] Waiting until timeout for monitored process [2024-11-08 22:58:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:02,531 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:02,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:02,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:02,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (515)] Ended with exit code 0 [2024-11-08 22:58:02,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:02,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:02,583 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:02,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:02,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:02,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:02,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:02,584 INFO L229 MonitoredProcess]: Starting monitored process 516 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:02,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (516)] Waiting until timeout for monitored process [2024-11-08 22:58:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:03,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:03,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:03,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:03,724 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:03,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (516)] Ended with exit code 0 [2024-11-08 22:58:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:03,739 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:03,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:03,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:03,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:03,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:03,740 INFO L229 MonitoredProcess]: Starting monitored process 517 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:03,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (517)] Waiting until timeout for monitored process [2024-11-08 22:58:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:04,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:04,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:04,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:04,857 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:04,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (517)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:04,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:04,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:04,879 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:04,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:04,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:04,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:04,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:04,882 INFO L229 MonitoredProcess]: Starting monitored process 518 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:04,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (518)] Waiting until timeout for monitored process [2024-11-08 22:58:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:05,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:06,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:06,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:06,023 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:06,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (518)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:06,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:06,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:06,039 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:06,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:06,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:06,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:06,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:06,040 INFO L229 MonitoredProcess]: Starting monitored process 519 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:06,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (519)] Waiting until timeout for monitored process [2024-11-08 22:58:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:07,138 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:07,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:07,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:07,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:07,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (519)] Ended with exit code 0 [2024-11-08 22:58:07,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:07,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:07,187 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:07,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:07,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:07,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:07,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:07,188 INFO L229 MonitoredProcess]: Starting monitored process 520 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:07,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (520)] Waiting until timeout for monitored process [2024-11-08 22:58:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:08,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:08,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:08,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:08,317 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:08,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (520)] Ended with exit code 0 [2024-11-08 22:58:08,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:08,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:08,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:08,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:08,334 INFO L229 MonitoredProcess]: Starting monitored process 521 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:08,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (521)] Waiting until timeout for monitored process [2024-11-08 22:58:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:09,437 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:09,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:09,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:09,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:09,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (521)] Ended with exit code 0 [2024-11-08 22:58:09,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:09,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:09,485 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:09,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:09,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:09,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:09,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:09,486 INFO L229 MonitoredProcess]: Starting monitored process 522 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:09,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (522)] Waiting until timeout for monitored process [2024-11-08 22:58:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:10,596 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:10,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:10,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:10,630 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:10,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (522)] Ended with exit code 0 [2024-11-08 22:58:10,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:10,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:10,646 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:10,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:10,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:10,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:10,647 INFO L229 MonitoredProcess]: Starting monitored process 523 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:10,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (523)] Waiting until timeout for monitored process [2024-11-08 22:58:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:11,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:11,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:11,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:11,817 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:11,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (523)] Ended with exit code 0 [2024-11-08 22:58:11,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:11,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:11,832 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:11,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:11,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:11,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:11,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:11,833 INFO L229 MonitoredProcess]: Starting monitored process 524 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:11,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (524)] Waiting until timeout for monitored process [2024-11-08 22:58:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:13,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:13,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:13,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:13,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:13,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (524)] Ended with exit code 0 [2024-11-08 22:58:13,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:13,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:13,077 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:13,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:13,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:13,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:13,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:13,078 INFO L229 MonitoredProcess]: Starting monitored process 525 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:13,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (525)] Waiting until timeout for monitored process [2024-11-08 22:58:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:14,174 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:14,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:14,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:14,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:14,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (525)] Ended with exit code 0 [2024-11-08 22:58:14,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:14,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:14,222 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:14,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:14,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:14,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:14,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:14,223 INFO L229 MonitoredProcess]: Starting monitored process 526 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:14,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (526)] Waiting until timeout for monitored process [2024-11-08 22:58:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:15,325 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:15,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:15,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:15,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:15,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (526)] Ended with exit code 0 [2024-11-08 22:58:15,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:15,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:15,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:15,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:15,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:15,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:15,374 INFO L229 MonitoredProcess]: Starting monitored process 527 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:15,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (527)] Waiting until timeout for monitored process [2024-11-08 22:58:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:16,480 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:16,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:16,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:16,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (527)] Ended with exit code 0 [2024-11-08 22:58:16,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:16,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:16,527 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:16,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:16,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:16,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:16,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:16,528 INFO L229 MonitoredProcess]: Starting monitored process 528 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:16,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (528)] Waiting until timeout for monitored process [2024-11-08 22:58:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:17,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:17,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:17,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:17,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:17,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (528)] Ended with exit code 0 [2024-11-08 22:58:17,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:17,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:17,697 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:17,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:17,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:17,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:17,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:17,698 INFO L229 MonitoredProcess]: Starting monitored process 529 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:17,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (529)] Waiting until timeout for monitored process [2024-11-08 22:58:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:18,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:18,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:18,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:18,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (529)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:18,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:18,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:18,846 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:18,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:18,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:18,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:18,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:18,847 INFO L229 MonitoredProcess]: Starting monitored process 530 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:18,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (530)] Waiting until timeout for monitored process [2024-11-08 22:58:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:19,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:19,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:19,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:19,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (530)] Ended with exit code 0 [2024-11-08 22:58:19,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:19,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:19,995 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:19,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:19,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:19,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:19,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:19,996 INFO L229 MonitoredProcess]: Starting monitored process 531 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:19,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (531)] Waiting until timeout for monitored process [2024-11-08 22:58:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:21,108 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:21,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:21,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:21,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:21,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (531)] Ended with exit code 0 [2024-11-08 22:58:21,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:21,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:21,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:21,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:21,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:21,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:21,157 INFO L229 MonitoredProcess]: Starting monitored process 532 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:21,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (532)] Waiting until timeout for monitored process [2024-11-08 22:58:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:22,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:22,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:22,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:22,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (532)] Ended with exit code 0 [2024-11-08 22:58:22,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:22,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:22,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:22,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:22,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:22,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:22,315 INFO L229 MonitoredProcess]: Starting monitored process 533 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:22,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (533)] Waiting until timeout for monitored process [2024-11-08 22:58:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:23,465 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:23,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:23,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:23,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:23,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (533)] Ended with exit code 0 [2024-11-08 22:58:23,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:23,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:23,516 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:23,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:23,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:23,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:23,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:23,517 INFO L229 MonitoredProcess]: Starting monitored process 534 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:23,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (534)] Waiting until timeout for monitored process [2024-11-08 22:58:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:24,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:24,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:24,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:24,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (534)] Ended with exit code 0 [2024-11-08 22:58:24,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:24,680 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:24,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:24,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:24,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:24,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:24,681 INFO L229 MonitoredProcess]: Starting monitored process 535 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:24,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (535)] Waiting until timeout for monitored process [2024-11-08 22:58:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:25,798 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:25,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:25,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:25,832 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:25,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (535)] Ended with exit code 0 [2024-11-08 22:58:25,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:25,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:25,847 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:25,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:25,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:25,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:25,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:25,848 INFO L229 MonitoredProcess]: Starting monitored process 536 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:25,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (536)] Waiting until timeout for monitored process [2024-11-08 22:58:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:26,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:26,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:26,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:26,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:27,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (536)] Ended with exit code 0 [2024-11-08 22:58:27,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:27,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:27,013 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:27,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:27,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:27,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:27,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:27,014 INFO L229 MonitoredProcess]: Starting monitored process 537 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:27,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (537)] Waiting until timeout for monitored process [2024-11-08 22:58:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:28,128 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:28,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:28,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:28,161 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:28,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (537)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:28,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:28,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:28,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:28,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:28,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:28,178 INFO L229 MonitoredProcess]: Starting monitored process 538 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:28,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (538)] Waiting until timeout for monitored process [2024-11-08 22:58:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:29,293 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:29,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:29,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:29,325 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:29,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (538)] Ended with exit code 0 [2024-11-08 22:58:29,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:29,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:29,339 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:29,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:29,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:29,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:29,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:29,340 INFO L229 MonitoredProcess]: Starting monitored process 539 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:29,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (539)] Waiting until timeout for monitored process [2024-11-08 22:58:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:30,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:30,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:30,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:30,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (539)] Ended with exit code 0 [2024-11-08 22:58:30,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:30,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:30,511 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:30,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:30,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:30,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:30,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:30,512 INFO L229 MonitoredProcess]: Starting monitored process 540 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:30,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (540)] Waiting until timeout for monitored process [2024-11-08 22:58:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:31,635 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:31,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:31,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:31,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (540)] Ended with exit code 0 [2024-11-08 22:58:31,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:31,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:31,683 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:31,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:31,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:31,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:31,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:31,684 INFO L229 MonitoredProcess]: Starting monitored process 541 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:31,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (541)] Waiting until timeout for monitored process [2024-11-08 22:58:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:32,865 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:32,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:32,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:32,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:32,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (541)] Ended with exit code 0 [2024-11-08 22:58:32,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:32,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:32,923 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:32,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:32,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:32,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:32,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:32,924 INFO L229 MonitoredProcess]: Starting monitored process 542 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:32,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (542)] Waiting until timeout for monitored process [2024-11-08 22:58:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:34,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:34,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:34,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:34,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:34,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (542)] Ended with exit code 0 [2024-11-08 22:58:34,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:34,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:34,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:34,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:34,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:34,104 INFO L229 MonitoredProcess]: Starting monitored process 543 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:34,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (543)] Waiting until timeout for monitored process [2024-11-08 22:58:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:35,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:35,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:35,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:35,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (543)] Ended with exit code 0 [2024-11-08 22:58:35,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:35,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:35,275 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:35,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:35,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:35,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:35,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:35,276 INFO L229 MonitoredProcess]: Starting monitored process 544 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:35,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (544)] Waiting until timeout for monitored process [2024-11-08 22:58:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:36,404 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:36,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:36,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:36,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:36,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (544)] Ended with exit code 0 [2024-11-08 22:58:36,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:36,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:36,451 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:36,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:36,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:36,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:36,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:36,452 INFO L229 MonitoredProcess]: Starting monitored process 545 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:36,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (545)] Waiting until timeout for monitored process [2024-11-08 22:58:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:37,588 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:37,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:37,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:37,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (545)] Ended with exit code 0 [2024-11-08 22:58:37,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:37,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:37,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:37,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:37,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:37,640 INFO L229 MonitoredProcess]: Starting monitored process 546 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:37,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (546)] Waiting until timeout for monitored process [2024-11-08 22:58:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:38,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:38,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:38,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:38,816 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:38,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (546)] Ended with exit code 0 [2024-11-08 22:58:38,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:38,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:38,831 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:38,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:38,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:38,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:38,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:38,834 INFO L229 MonitoredProcess]: Starting monitored process 547 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:38,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (547)] Waiting until timeout for monitored process [2024-11-08 22:58:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:39,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:40,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:40,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:40,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (547)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:40,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:40,030 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:40,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:40,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:40,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:40,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:40,032 INFO L229 MonitoredProcess]: Starting monitored process 548 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:40,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (548)] Waiting until timeout for monitored process [2024-11-08 22:58:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:41,174 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:41,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:41,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:41,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:41,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (548)] Ended with exit code 0 [2024-11-08 22:58:41,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:41,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:41,228 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:41,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:41,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:41,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:41,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:41,230 INFO L229 MonitoredProcess]: Starting monitored process 549 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:41,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (549)] Waiting until timeout for monitored process [2024-11-08 22:58:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:42,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:42,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:42,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:42,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:42,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (549)] Ended with exit code 0 [2024-11-08 22:58:42,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:42,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:42,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:42,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:42,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:42,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:42,448 INFO L229 MonitoredProcess]: Starting monitored process 550 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:42,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (550)] Waiting until timeout for monitored process [2024-11-08 22:58:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:43,621 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:43,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:43,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:43,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (550)] Ended with exit code 0 [2024-11-08 22:58:43,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:43,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:43,682 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:43,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:43,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:43,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:43,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:43,686 INFO L229 MonitoredProcess]: Starting monitored process 551 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:43,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (551)] Waiting until timeout for monitored process [2024-11-08 22:58:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:44,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:44,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:44,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:44,895 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:44,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (551)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:44,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:44,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:44,910 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:44,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:44,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:44,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:44,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:44,911 INFO L229 MonitoredProcess]: Starting monitored process 552 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:44,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (552)] Waiting until timeout for monitored process [2024-11-08 22:58:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:46,063 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:46,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:46,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:46,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:46,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (552)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:46,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:46,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:46,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:46,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:46,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:46,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:46,123 INFO L229 MonitoredProcess]: Starting monitored process 553 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:46,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (553)] Waiting until timeout for monitored process [2024-11-08 22:58:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:47,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:47,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:47,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:47,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (553)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:47,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:47,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:47,334 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:47,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:47,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:47,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:47,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:47,336 INFO L229 MonitoredProcess]: Starting monitored process 554 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:47,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (554)] Waiting until timeout for monitored process [2024-11-08 22:58:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:48,483 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:48,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:48,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:48,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:48,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (554)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:48,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:48,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:48,531 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:48,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:48,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:48,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:48,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:48,534 INFO L229 MonitoredProcess]: Starting monitored process 555 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:48,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (555)] Waiting until timeout for monitored process [2024-11-08 22:58:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:49,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:49,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:49,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:49,724 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:49,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (555)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:49,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:49,739 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:49,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:49,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:49,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:49,741 INFO L229 MonitoredProcess]: Starting monitored process 556 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:49,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (556)] Waiting until timeout for monitored process [2024-11-08 22:58:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:50,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:50,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:50,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:50,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:50,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (556)] Ended with exit code 0 [2024-11-08 22:58:50,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:50,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:50,952 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:50,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:50,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:50,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:50,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:50,953 INFO L229 MonitoredProcess]: Starting monitored process 557 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:50,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (557)] Waiting until timeout for monitored process [2024-11-08 22:58:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:52,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:52,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:52,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:52,145 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:52,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (557)] Ended with exit code 0 [2024-11-08 22:58:52,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:52,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:52,161 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:52,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:52,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:52,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:52,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:52,162 INFO L229 MonitoredProcess]: Starting monitored process 558 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:52,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (558)] Waiting until timeout for monitored process [2024-11-08 22:58:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:53,347 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:53,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:53,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:53,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:53,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (558)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:53,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:53,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:53,416 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:53,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:53,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:53,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:53,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:53,419 INFO L229 MonitoredProcess]: Starting monitored process 559 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:53,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (559)] Waiting until timeout for monitored process [2024-11-08 22:58:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:54,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:54,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:54,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:54,661 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:54,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (559)] Ended with exit code 0 [2024-11-08 22:58:54,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:54,676 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:54,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:54,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:54,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:54,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:54,677 INFO L229 MonitoredProcess]: Starting monitored process 560 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:54,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (560)] Waiting until timeout for monitored process [2024-11-08 22:58:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:55,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:55,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:55,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:55,889 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:55,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (560)] Ended with exit code 0 [2024-11-08 22:58:55,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:55,905 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:55,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:55,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:55,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:55,906 INFO L229 MonitoredProcess]: Starting monitored process 561 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:55,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (561)] Waiting until timeout for monitored process [2024-11-08 22:58:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:57,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:57,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:57,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:57,147 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:57,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (561)] Ended with exit code 0 [2024-11-08 22:58:57,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:57,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:57,163 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:57,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:57,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:57,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:57,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:57,164 INFO L229 MonitoredProcess]: Starting monitored process 562 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:57,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (562)] Waiting until timeout for monitored process [2024-11-08 22:58:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:58,351 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:58,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:58,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:58,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:58,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (562)] Ended with exit code 0 [2024-11-08 22:58:58,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:58,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:58,402 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:58,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:58,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:58,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:58,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:58,403 INFO L229 MonitoredProcess]: Starting monitored process 563 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:58,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (563)] Waiting until timeout for monitored process [2024-11-08 22:58:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:59,620 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:59,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:58:59,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:59,660 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:58:59,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (563)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:59,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:59,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:58:59,677 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:58:59,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:59,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:59,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:59,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:59,678 INFO L229 MonitoredProcess]: Starting monitored process 564 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:59,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (564)] Waiting until timeout for monitored process [2024-11-08 22:59:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:00,894 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:00,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:00,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:00,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:00,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (564)] Ended with exit code 0 [2024-11-08 22:59:00,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:00,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:00,941 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:00,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:00,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:00,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:00,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:00,942 INFO L229 MonitoredProcess]: Starting monitored process 565 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:00,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (565)] Waiting until timeout for monitored process [2024-11-08 22:59:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:02,121 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:02,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:02,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:02,155 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:02,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (565)] Ended with exit code 0 [2024-11-08 22:59:02,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:02,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:02,171 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:02,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:02,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:02,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:02,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:02,173 INFO L229 MonitoredProcess]: Starting monitored process 566 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:02,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (566)] Waiting until timeout for monitored process [2024-11-08 22:59:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:03,375 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:03,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:03,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:03,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (566)] Ended with exit code 0 [2024-11-08 22:59:03,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:03,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:03,424 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:03,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:03,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:03,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:03,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:03,426 INFO L229 MonitoredProcess]: Starting monitored process 567 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:03,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (567)] Waiting until timeout for monitored process [2024-11-08 22:59:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:04,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:04,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:04,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:04,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:04,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (567)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:04,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:04,721 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:04,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:04,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:04,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:04,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:04,722 INFO L229 MonitoredProcess]: Starting monitored process 568 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:04,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (568)] Waiting until timeout for monitored process [2024-11-08 22:59:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:05,920 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:05,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:05,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:05,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (568)] Ended with exit code 0 [2024-11-08 22:59:05,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:05,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:05,973 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:05,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:05,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:05,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:05,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:05,974 INFO L229 MonitoredProcess]: Starting monitored process 569 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:05,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (569)] Waiting until timeout for monitored process [2024-11-08 22:59:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:07,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:07,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:07,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:07,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (569)] Ended with exit code 0 [2024-11-08 22:59:07,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:07,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:07,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:07,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:07,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:07,246 INFO L229 MonitoredProcess]: Starting monitored process 570 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:07,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (570)] Waiting until timeout for monitored process [2024-11-08 22:59:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:08,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:08,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:08,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:08,468 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:08,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (570)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:08,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:08,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:08,484 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:08,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:08,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:08,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:08,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:08,485 INFO L229 MonitoredProcess]: Starting monitored process 571 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:08,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (571)] Waiting until timeout for monitored process [2024-11-08 22:59:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:09,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:09,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:09,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:09,724 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:09,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (571)] Ended with exit code 0 [2024-11-08 22:59:09,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:09,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:09,742 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:09,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:09,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:09,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:09,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:09,743 INFO L229 MonitoredProcess]: Starting monitored process 572 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:09,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (572)] Waiting until timeout for monitored process [2024-11-08 22:59:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:10,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:11,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:11,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:11,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (572)] Ended with exit code 0 [2024-11-08 22:59:11,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:11,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:11,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:11,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:11,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:11,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:11,029 INFO L229 MonitoredProcess]: Starting monitored process 573 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:11,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (573)] Waiting until timeout for monitored process [2024-11-08 22:59:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:12,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:12,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:12,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:12,263 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:12,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (573)] Ended with exit code 0 [2024-11-08 22:59:12,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:12,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:12,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:12,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:12,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:12,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:12,280 INFO L229 MonitoredProcess]: Starting monitored process 574 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:12,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (574)] Waiting until timeout for monitored process [2024-11-08 22:59:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:13,528 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:13,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:13,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:13,562 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:13,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (574)] Ended with exit code 0 [2024-11-08 22:59:13,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:13,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:13,578 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:13,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:13,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:13,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:13,580 INFO L229 MonitoredProcess]: Starting monitored process 575 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:13,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (575)] Waiting until timeout for monitored process [2024-11-08 22:59:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:14,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:14,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:14,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:14,804 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:14,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (575)] Ended with exit code 0 [2024-11-08 22:59:14,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:14,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:14,828 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:14,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:14,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:14,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:14,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:14,829 INFO L229 MonitoredProcess]: Starting monitored process 576 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:14,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (576)] Waiting until timeout for monitored process [2024-11-08 22:59:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:16,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:16,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:16,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:16,063 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:16,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (576)] Ended with exit code 0 [2024-11-08 22:59:16,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:16,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:16,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:16,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:16,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:16,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:16,080 INFO L229 MonitoredProcess]: Starting monitored process 577 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:16,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (577)] Waiting until timeout for monitored process [2024-11-08 22:59:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:17,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:17,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:17,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:17,329 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:17,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (577)] Ended with exit code 0 [2024-11-08 22:59:17,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:17,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:17,346 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:17,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:17,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:17,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:17,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:17,347 INFO L229 MonitoredProcess]: Starting monitored process 578 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:17,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (578)] Waiting until timeout for monitored process [2024-11-08 22:59:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:18,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:18,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:18,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:18,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:18,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (578)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:18,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:18,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:18,599 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:18,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:18,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:18,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:18,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:18,600 INFO L229 MonitoredProcess]: Starting monitored process 579 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:18,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (579)] Waiting until timeout for monitored process [2024-11-08 22:59:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:19,810 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:19,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:19,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:19,845 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:19,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (579)] Ended with exit code 0 [2024-11-08 22:59:19,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:19,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:19,862 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:19,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:19,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:19,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:19,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:19,863 INFO L229 MonitoredProcess]: Starting monitored process 580 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:19,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (580)] Waiting until timeout for monitored process [2024-11-08 22:59:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:21,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:21,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:21,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:21,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:21,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (580)] Ended with exit code 0 [2024-11-08 22:59:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:21,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:21,141 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:21,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:21,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:21,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:21,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:21,142 INFO L229 MonitoredProcess]: Starting monitored process 581 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:21,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (581)] Waiting until timeout for monitored process [2024-11-08 22:59:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:22,380 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:22,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:22,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:22,419 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:22,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (581)] Ended with exit code 0 [2024-11-08 22:59:22,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:22,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:22,435 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:22,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:22,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:22,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:22,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:22,436 INFO L229 MonitoredProcess]: Starting monitored process 582 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:22,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (582)] Waiting until timeout for monitored process [2024-11-08 22:59:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:23,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:23,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:23,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:23,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:23,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (582)] Ended with exit code 0 [2024-11-08 22:59:23,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:23,722 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:23,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:23,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:23,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:23,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:23,723 INFO L229 MonitoredProcess]: Starting monitored process 583 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:23,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (583)] Waiting until timeout for monitored process [2024-11-08 22:59:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:24,937 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:24,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:24,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:24,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:24,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (583)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:24,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:24,986 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:24,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:24,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:24,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:24,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:24,987 INFO L229 MonitoredProcess]: Starting monitored process 584 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:24,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (584)] Waiting until timeout for monitored process [2024-11-08 22:59:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:26,196 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:26,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:26,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:26,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:26,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (584)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:26,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:26,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:26,244 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:26,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:26,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:26,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:26,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:26,245 INFO L229 MonitoredProcess]: Starting monitored process 585 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:26,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (585)] Waiting until timeout for monitored process [2024-11-08 22:59:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:27,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:27,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:27,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:27,491 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:27,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (585)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:27,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:27,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:27,508 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:27,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:27,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:27,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:27,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:27,509 INFO L229 MonitoredProcess]: Starting monitored process 586 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:27,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (586)] Waiting until timeout for monitored process [2024-11-08 22:59:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:28,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:28,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:28,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:28,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:28,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (586)] Ended with exit code 0 [2024-11-08 22:59:28,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:28,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:28,770 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:28,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:28,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:28,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:28,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:28,771 INFO L229 MonitoredProcess]: Starting monitored process 587 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:28,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (587)] Waiting until timeout for monitored process [2024-11-08 22:59:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:29,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:30,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:30,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:30,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (587)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:30,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:30,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:30,045 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:30,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:30,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:30,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:30,046 INFO L229 MonitoredProcess]: Starting monitored process 588 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:30,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (588)] Waiting until timeout for monitored process [2024-11-08 22:59:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:31,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:31,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:31,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:31,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:31,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (588)] Ended with exit code 0 [2024-11-08 22:59:31,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:31,319 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:31,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:31,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:31,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:31,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:31,320 INFO L229 MonitoredProcess]: Starting monitored process 589 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:31,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (589)] Waiting until timeout for monitored process [2024-11-08 22:59:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:32,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:32,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:32,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:32,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:32,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (589)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:32,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:32,630 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:32,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:32,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:32,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:32,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:32,633 INFO L229 MonitoredProcess]: Starting monitored process 590 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:32,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (590)] Waiting until timeout for monitored process [2024-11-08 22:59:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:33,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:33,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:33,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:33,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:33,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (590)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:33,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:33,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:33,943 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:33,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:33,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:33,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:33,944 INFO L229 MonitoredProcess]: Starting monitored process 591 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:33,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (591)] Waiting until timeout for monitored process [2024-11-08 22:59:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:35,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:35,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:35,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:35,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:35,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (591)] Ended with exit code 0 [2024-11-08 22:59:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:35,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:35,214 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:35,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:35,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:35,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:35,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:35,215 INFO L229 MonitoredProcess]: Starting monitored process 592 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:35,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (592)] Waiting until timeout for monitored process [2024-11-08 22:59:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:36,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:36,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:36,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:36,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:36,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (592)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:36,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:36,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:36,506 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:36,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:36,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:36,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:36,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:36,507 INFO L229 MonitoredProcess]: Starting monitored process 593 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:36,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (593)] Waiting until timeout for monitored process [2024-11-08 22:59:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:37,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:37,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:37,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:37,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (593)] Ended with exit code 0 [2024-11-08 22:59:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:37,816 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:37,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:37,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:37,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:37,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:37,817 INFO L229 MonitoredProcess]: Starting monitored process 594 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:37,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (594)] Waiting until timeout for monitored process [2024-11-08 22:59:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:39,054 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:39,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:39,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:39,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:39,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (594)] Ended with exit code 0 [2024-11-08 22:59:39,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:39,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:39,104 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:39,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:39,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:39,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:39,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:39,105 INFO L229 MonitoredProcess]: Starting monitored process 595 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:39,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (595)] Waiting until timeout for monitored process [2024-11-08 22:59:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:40,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:40,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:40,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:40,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:40,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (595)] Ended with exit code 0 [2024-11-08 22:59:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:40,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:40,395 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:40,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:40,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:40,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:40,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:40,396 INFO L229 MonitoredProcess]: Starting monitored process 596 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:40,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (596)] Waiting until timeout for monitored process [2024-11-08 22:59:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:41,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:41,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:41,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:41,672 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:41,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (596)] Ended with exit code 0 [2024-11-08 22:59:41,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:41,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:41,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:41,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:41,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:41,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:41,697 INFO L229 MonitoredProcess]: Starting monitored process 597 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:41,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (597)] Waiting until timeout for monitored process [2024-11-08 22:59:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:42,963 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:42,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:42,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:43,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (597)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:43,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:43,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:43,021 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:43,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:43,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:43,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:43,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:43,023 INFO L229 MonitoredProcess]: Starting monitored process 598 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:43,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (598)] Waiting until timeout for monitored process [2024-11-08 22:59:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:44,272 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:44,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:44,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:44,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:44,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (598)] Ended with exit code 0 [2024-11-08 22:59:44,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:44,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:44,336 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:44,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:44,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:44,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:44,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:44,338 INFO L229 MonitoredProcess]: Starting monitored process 599 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:44,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (599)] Waiting until timeout for monitored process [2024-11-08 22:59:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:45,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:45,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:45,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:45,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (599)] Ended with exit code 0 [2024-11-08 22:59:45,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:45,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:45,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:45,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:45,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:45,621 INFO L229 MonitoredProcess]: Starting monitored process 600 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:45,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (600)] Waiting until timeout for monitored process [2024-11-08 22:59:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:46,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:46,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:46,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:46,896 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:46,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (600)] Ended with exit code 0 [2024-11-08 22:59:46,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:46,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:46,917 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:46,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:46,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:46,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:46,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:46,918 INFO L229 MonitoredProcess]: Starting monitored process 601 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:46,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (601)] Waiting until timeout for monitored process [2024-11-08 22:59:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:48,158 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:48,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:48,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:48,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:48,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (601)] Ended with exit code 0 [2024-11-08 22:59:48,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:48,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:48,208 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:48,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:48,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:48,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:48,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:48,209 INFO L229 MonitoredProcess]: Starting monitored process 602 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:48,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (602)] Waiting until timeout for monitored process [2024-11-08 22:59:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:49,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:49,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:49,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:49,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:49,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (602)] Ended with exit code 0 [2024-11-08 22:59:49,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:49,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:49,500 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:49,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:49,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:49,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:49,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:49,501 INFO L229 MonitoredProcess]: Starting monitored process 603 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:49,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (603)] Waiting until timeout for monitored process [2024-11-08 22:59:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:50,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:50,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:50,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:50,785 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:50,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (603)] Ended with exit code 0 [2024-11-08 22:59:50,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:50,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:50,803 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:50,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:50,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:50,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:50,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:50,804 INFO L229 MonitoredProcess]: Starting monitored process 604 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:50,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (604)] Waiting until timeout for monitored process [2024-11-08 22:59:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:52,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:52,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:52,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:52,086 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:52,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (604)] Ended with exit code 0 [2024-11-08 22:59:52,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:52,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:52,103 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:52,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:52,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:52,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:52,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:52,104 INFO L229 MonitoredProcess]: Starting monitored process 605 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:52,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (605)] Waiting until timeout for monitored process [2024-11-08 22:59:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:53,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:53,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:53,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:53,440 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:53,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (605)] Ended with exit code 0 [2024-11-08 22:59:53,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:53,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:53,456 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:53,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:53,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:53,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:53,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:53,457 INFO L229 MonitoredProcess]: Starting monitored process 606 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:53,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (606)] Waiting until timeout for monitored process [2024-11-08 22:59:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:54,711 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:54,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:54,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:54,743 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:54,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (606)] Ended with exit code 0 [2024-11-08 22:59:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:54,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:54,759 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:54,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:54,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:54,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:54,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:54,760 INFO L229 MonitoredProcess]: Starting monitored process 607 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:54,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (607)] Waiting until timeout for monitored process [2024-11-08 22:59:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:56,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:56,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:56,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:56,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:56,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (607)] Ended with exit code 0 [2024-11-08 22:59:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:56,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:56,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:56,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:56,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:56,068 INFO L229 MonitoredProcess]: Starting monitored process 608 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:56,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (608)] Waiting until timeout for monitored process [2024-11-08 22:59:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:57,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:57,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:57,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:57,362 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:57,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (608)] Ended with exit code 0 [2024-11-08 22:59:57,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:57,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:57,378 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:57,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:57,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:57,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:57,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:57,380 INFO L229 MonitoredProcess]: Starting monitored process 609 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:57,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (609)] Waiting until timeout for monitored process [2024-11-08 22:59:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:58,633 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:58,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:58,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:58,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (609)] Ended with exit code 0 [2024-11-08 22:59:58,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:58,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:59:58,688 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:59:58,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:59:58,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:58,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:58,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:58,689 INFO L229 MonitoredProcess]: Starting monitored process 610 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:58,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (610)] Waiting until timeout for monitored process [2024-11-08 22:59:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:59,946 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:59,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:59:59,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:59,979 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:59:59,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (610)] Ended with exit code 0 [2024-11-08 23:00:00,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:00,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:00,003 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:00,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:00,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:00,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:00,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:00,004 INFO L229 MonitoredProcess]: Starting monitored process 611 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:00,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (611)] Waiting until timeout for monitored process [2024-11-08 23:00:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:01,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:01,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:01,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:01,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:01,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (611)] Ended with exit code 0 [2024-11-08 23:00:01,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:01,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:01,320 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:01,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:01,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:01,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:01,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:01,321 INFO L229 MonitoredProcess]: Starting monitored process 612 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:01,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (612)] Waiting until timeout for monitored process [2024-11-08 23:00:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:02,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:02,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:02,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:02,651 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:02,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (612)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:02,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:02,674 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:02,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:02,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:02,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:02,676 INFO L229 MonitoredProcess]: Starting monitored process 613 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:02,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (613)] Waiting until timeout for monitored process [2024-11-08 23:00:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:03,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:03,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:03,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:04,003 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:04,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (613)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:04,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:04,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:04,022 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:04,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:04,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:04,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:04,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:04,023 INFO L229 MonitoredProcess]: Starting monitored process 614 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:04,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (614)] Waiting until timeout for monitored process [2024-11-08 23:00:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:05,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:05,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:05,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:05,353 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:05,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (614)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:05,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:05,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:05,371 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:05,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:05,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:05,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:05,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:05,372 INFO L229 MonitoredProcess]: Starting monitored process 615 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:05,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (615)] Waiting until timeout for monitored process [2024-11-08 23:00:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:06,651 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:06,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:06,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:06,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:06,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (615)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:06,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:06,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:06,701 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:06,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:06,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:06,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:06,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:06,702 INFO L229 MonitoredProcess]: Starting monitored process 616 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:06,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (616)] Waiting until timeout for monitored process [2024-11-08 23:00:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:07,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:08,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:08,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:08,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:08,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (616)] Ended with exit code 0 [2024-11-08 23:00:08,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:08,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:08,042 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:08,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:08,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:08,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:08,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:08,043 INFO L229 MonitoredProcess]: Starting monitored process 617 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:08,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (617)] Waiting until timeout for monitored process [2024-11-08 23:00:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:09,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:09,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:09,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:09,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:09,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (617)] Ended with exit code 0 [2024-11-08 23:00:09,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:09,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:09,408 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:09,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:09,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:09,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:09,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:09,411 INFO L229 MonitoredProcess]: Starting monitored process 618 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:09,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (618)] Waiting until timeout for monitored process [2024-11-08 23:00:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:10,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:10,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:10,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:10,746 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:10,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (618)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:10,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:10,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:10,764 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:10,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:10,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:10,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:10,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:10,765 INFO L229 MonitoredProcess]: Starting monitored process 619 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:10,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (619)] Waiting until timeout for monitored process [2024-11-08 23:00:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:12,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:12,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:12,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:12,111 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:12,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (619)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:12,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:12,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:12,127 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:12,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:12,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:12,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:12,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:12,129 INFO L229 MonitoredProcess]: Starting monitored process 620 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:12,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (620)] Waiting until timeout for monitored process [2024-11-08 23:00:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:13,442 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:13,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:13,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:13,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (620)] Ended with exit code 0 [2024-11-08 23:00:13,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:13,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:13,491 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:13,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:13,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:13,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:13,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:13,493 INFO L229 MonitoredProcess]: Starting monitored process 621 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:13,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (621)] Waiting until timeout for monitored process [2024-11-08 23:00:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:14,781 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:14,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:14,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:14,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:14,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (621)] Ended with exit code 0 [2024-11-08 23:00:14,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:14,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:14,831 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:14,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:14,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:14,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:14,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:14,832 INFO L229 MonitoredProcess]: Starting monitored process 622 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:14,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (622)] Waiting until timeout for monitored process [2024-11-08 23:00:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:16,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:16,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:16,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:16,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:16,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (622)] Ended with exit code 0 [2024-11-08 23:00:16,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:16,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:16,171 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:16,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:16,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:16,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:16,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:16,172 INFO L229 MonitoredProcess]: Starting monitored process 623 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:16,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (623)] Waiting until timeout for monitored process [2024-11-08 23:00:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:17,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:17,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:17,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:17,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:17,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (623)] Ended with exit code 0 [2024-11-08 23:00:17,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:17,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:17,512 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:17,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:17,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:17,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:17,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:17,513 INFO L229 MonitoredProcess]: Starting monitored process 624 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:17,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (624)] Waiting until timeout for monitored process [2024-11-08 23:00:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:18,798 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:18,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:18,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:18,838 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:18,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (624)] Ended with exit code 0 [2024-11-08 23:00:18,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:18,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:18,855 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:18,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:18,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:18,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:18,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:18,857 INFO L229 MonitoredProcess]: Starting monitored process 625 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:18,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (625)] Waiting until timeout for monitored process [2024-11-08 23:00:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:20,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:20,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:20,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:20,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:20,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (625)] Ended with exit code 0 [2024-11-08 23:00:20,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:20,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:20,225 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:20,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:20,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:20,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:20,228 INFO L229 MonitoredProcess]: Starting monitored process 626 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:20,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (626)] Waiting until timeout for monitored process [2024-11-08 23:00:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:21,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:21,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:21,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:21,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:21,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (626)] Ended with exit code 0 [2024-11-08 23:00:21,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:21,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:21,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:21,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:21,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:21,588 INFO L229 MonitoredProcess]: Starting monitored process 627 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:21,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (627)] Waiting until timeout for monitored process [2024-11-08 23:00:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:22,942 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:22,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:22,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:22,983 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:22,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (627)] Ended with exit code 0 [2024-11-08 23:00:22,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:22,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:22,999 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:23,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:23,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:23,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:23,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:23,001 INFO L229 MonitoredProcess]: Starting monitored process 628 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:23,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (628)] Waiting until timeout for monitored process [2024-11-08 23:00:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:24,293 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:24,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:24,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:24,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:24,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (628)] Ended with exit code 0 [2024-11-08 23:00:24,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:24,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:24,352 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:24,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:24,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:24,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:24,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:24,353 INFO L229 MonitoredProcess]: Starting monitored process 629 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:24,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (629)] Waiting until timeout for monitored process [2024-11-08 23:00:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:25,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:25,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:25,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:25,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:25,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (629)] Ended with exit code 0 [2024-11-08 23:00:25,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:25,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:25,706 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:25,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:25,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:25,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:25,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:25,707 INFO L229 MonitoredProcess]: Starting monitored process 630 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:25,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (630)] Waiting until timeout for monitored process [2024-11-08 23:00:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:27,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:27,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:27,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:27,041 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:27,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (630)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:27,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:27,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:27,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:27,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:27,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:27,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:27,060 INFO L229 MonitoredProcess]: Starting monitored process 631 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:27,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (631)] Waiting until timeout for monitored process [2024-11-08 23:00:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:28,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:28,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:28,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:28,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:28,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (631)] Ended with exit code 0 [2024-11-08 23:00:28,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:28,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:28,412 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:28,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:28,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:28,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:28,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:28,413 INFO L229 MonitoredProcess]: Starting monitored process 632 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:28,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (632)] Waiting until timeout for monitored process [2024-11-08 23:00:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:29,713 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:29,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:29,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:29,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (632)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:29,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:29,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:29,771 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:29,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:29,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:29,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:29,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:29,772 INFO L229 MonitoredProcess]: Starting monitored process 633 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:29,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (633)] Waiting until timeout for monitored process [2024-11-08 23:00:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:31,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:31,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:31,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:31,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:31,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (633)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:31,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:31,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:31,137 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:31,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:31,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:31,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:31,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:31,138 INFO L229 MonitoredProcess]: Starting monitored process 634 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:31,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (634)] Waiting until timeout for monitored process [2024-11-08 23:00:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:32,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:32,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:32,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:32,482 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:32,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (634)] Ended with exit code 0 [2024-11-08 23:00:32,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:32,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:32,499 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:32,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:32,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:32,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:32,500 INFO L229 MonitoredProcess]: Starting monitored process 635 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:32,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (635)] Waiting until timeout for monitored process [2024-11-08 23:00:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:33,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:33,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:33,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:33,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:33,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (635)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:33,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:33,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:33,910 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:33,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:33,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:33,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:33,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:33,911 INFO L229 MonitoredProcess]: Starting monitored process 636 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:33,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (636)] Waiting until timeout for monitored process [2024-11-08 23:00:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:35,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:35,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:35,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:35,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:35,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (636)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:35,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:35,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:35,293 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:35,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:35,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:35,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:35,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:35,294 INFO L229 MonitoredProcess]: Starting monitored process 637 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:35,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (637)] Waiting until timeout for monitored process [2024-11-08 23:00:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:36,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:36,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:36,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:36,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (637)] Ended with exit code 0 [2024-11-08 23:00:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:36,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:36,660 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:36,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:36,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:36,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:36,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:36,661 INFO L229 MonitoredProcess]: Starting monitored process 638 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:36,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (638)] Waiting until timeout for monitored process [2024-11-08 23:00:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:37,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:38,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:38,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:38,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (638)] Ended with exit code 0 [2024-11-08 23:00:38,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:38,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:38,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:38,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:38,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:38,038 INFO L229 MonitoredProcess]: Starting monitored process 639 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:38,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (639)] Waiting until timeout for monitored process [2024-11-08 23:00:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:39,361 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:39,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:39,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:39,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:39,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (639)] Ended with exit code 0 [2024-11-08 23:00:39,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:39,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:39,411 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:39,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:39,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:39,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:39,414 INFO L229 MonitoredProcess]: Starting monitored process 640 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:39,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (640)] Waiting until timeout for monitored process [2024-11-08 23:00:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:40,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:40,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:40,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:40,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:40,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (640)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:40,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:40,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:40,816 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:40,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:40,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:40,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:40,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:40,817 INFO L229 MonitoredProcess]: Starting monitored process 641 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:40,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (641)] Waiting until timeout for monitored process [2024-11-08 23:00:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:42,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:42,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:42,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:42,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:42,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (641)] Ended with exit code 0 [2024-11-08 23:00:42,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:42,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:42,192 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:42,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:42,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:42,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:42,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:42,193 INFO L229 MonitoredProcess]: Starting monitored process 642 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:42,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (642)] Waiting until timeout for monitored process [2024-11-08 23:00:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:43,563 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:43,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:43,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:43,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:43,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (642)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:43,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:43,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:43,618 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:43,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:43,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:43,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:43,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:43,620 INFO L229 MonitoredProcess]: Starting monitored process 643 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:43,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (643)] Waiting until timeout for monitored process [2024-11-08 23:00:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:44,946 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:44,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:44,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:44,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (643)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:44,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:44,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:44,998 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:44,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:44,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:44,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:44,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:44,999 INFO L229 MonitoredProcess]: Starting monitored process 644 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:45,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (644)] Waiting until timeout for monitored process [2024-11-08 23:00:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:46,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:46,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:46,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:46,362 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:46,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (644)] Ended with exit code 0 [2024-11-08 23:00:46,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:46,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:46,380 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:46,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:46,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:46,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:46,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:46,381 INFO L229 MonitoredProcess]: Starting monitored process 645 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:46,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (645)] Waiting until timeout for monitored process [2024-11-08 23:00:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:47,711 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:47,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:47,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:47,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (645)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:47,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:47,763 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:47,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:47,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:47,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:47,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:47,764 INFO L229 MonitoredProcess]: Starting monitored process 646 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:47,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (646)] Waiting until timeout for monitored process [2024-11-08 23:00:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:49,097 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:49,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:49,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:49,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:49,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (646)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:49,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:49,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:49,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:49,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:49,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:49,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:49,148 INFO L229 MonitoredProcess]: Starting monitored process 647 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:49,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (647)] Waiting until timeout for monitored process [2024-11-08 23:00:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:50,482 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:50,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:50,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:50,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:50,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (647)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:50,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:50,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:50,533 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:50,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:50,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:50,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:50,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:50,534 INFO L229 MonitoredProcess]: Starting monitored process 648 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:50,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (648)] Waiting until timeout for monitored process [2024-11-08 23:00:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:51,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:51,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:51,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:51,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (648)] Ended with exit code 0 [2024-11-08 23:00:51,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:51,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:51,920 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:51,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:51,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:51,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:51,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:51,921 INFO L229 MonitoredProcess]: Starting monitored process 649 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:51,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (649)] Waiting until timeout for monitored process [2024-11-08 23:00:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:53,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:53,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:53,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:53,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:53,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (649)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:53,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:53,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:53,331 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:53,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:53,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:53,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:53,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:53,332 INFO L229 MonitoredProcess]: Starting monitored process 650 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:53,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (650)] Waiting until timeout for monitored process [2024-11-08 23:00:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:54,672 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:54,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:54,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:54,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (650)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:54,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:54,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:54,723 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:54,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:54,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:54,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:54,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:54,724 INFO L229 MonitoredProcess]: Starting monitored process 651 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:54,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (651)] Waiting until timeout for monitored process [2024-11-08 23:00:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:56,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:56,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:56,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:56,096 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:56,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (651)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:56,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:56,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:56,113 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:56,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:56,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:56,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:56,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:56,114 INFO L229 MonitoredProcess]: Starting monitored process 652 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:56,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (652)] Waiting until timeout for monitored process [2024-11-08 23:00:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:57,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:57,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:57,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:57,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:57,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (652)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:57,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:57,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:57,513 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:57,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:57,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:57,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:57,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:57,515 INFO L229 MonitoredProcess]: Starting monitored process 653 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:57,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (653)] Waiting until timeout for monitored process [2024-11-08 23:00:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:58,860 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:58,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:58,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:58,897 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:58,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (653)] Ended with exit code 0 [2024-11-08 23:00:58,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:58,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:58,921 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:58,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:00:58,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:58,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:58,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:58,922 INFO L229 MonitoredProcess]: Starting monitored process 654 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:58,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (654)] Waiting until timeout for monitored process [2024-11-08 23:01:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:00,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:00,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:00,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:00,300 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:00,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (654)] Ended with exit code 0 [2024-11-08 23:01:00,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:00,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:00,318 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:00,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:00,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:00,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:00,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:00,320 INFO L229 MonitoredProcess]: Starting monitored process 655 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:00,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (655)] Waiting until timeout for monitored process [2024-11-08 23:01:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:01,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:01,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:01,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:01,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (655)] Ended with exit code 0 [2024-11-08 23:01:01,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:01,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:01,720 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:01,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:01,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:01,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:01,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:01,721 INFO L229 MonitoredProcess]: Starting monitored process 656 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:01,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (656)] Waiting until timeout for monitored process [2024-11-08 23:01:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:03,091 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:03,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:03,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:03,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:03,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (656)] Ended with exit code 0 [2024-11-08 23:01:03,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:03,142 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:03,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:03,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:03,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:03,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:03,143 INFO L229 MonitoredProcess]: Starting monitored process 657 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:03,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (657)] Waiting until timeout for monitored process [2024-11-08 23:01:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:04,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:04,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:04,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:04,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:04,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (657)] Ended with exit code 0 [2024-11-08 23:01:04,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:04,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:04,546 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:04,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:04,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:04,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:04,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:04,547 INFO L229 MonitoredProcess]: Starting monitored process 658 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:04,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (658)] Waiting until timeout for monitored process [2024-11-08 23:01:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:05,899 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:05,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:05,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:05,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:05,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (658)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:05,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:05,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:05,950 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:05,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:05,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:05,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:05,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:05,951 INFO L229 MonitoredProcess]: Starting monitored process 659 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:05,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (659)] Waiting until timeout for monitored process [2024-11-08 23:01:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:07,307 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:07,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:07,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:07,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:07,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (659)] Ended with exit code 0 [2024-11-08 23:01:07,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:07,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:07,357 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:07,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:07,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:07,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:07,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:07,358 INFO L229 MonitoredProcess]: Starting monitored process 660 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:07,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (660)] Waiting until timeout for monitored process [2024-11-08 23:01:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:08,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:08,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:08,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:08,753 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:08,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (660)] Ended with exit code 0 [2024-11-08 23:01:08,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:08,772 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:08,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:08,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:08,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:08,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:08,773 INFO L229 MonitoredProcess]: Starting monitored process 661 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:08,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (661)] Waiting until timeout for monitored process [2024-11-08 23:01:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:10,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:10,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:10,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:10,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:10,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (661)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:10,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:10,186 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:10,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:10,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:10,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:10,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:10,187 INFO L229 MonitoredProcess]: Starting monitored process 662 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:10,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (662)] Waiting until timeout for monitored process [2024-11-08 23:01:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:11,547 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:11,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:11,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:11,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (662)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:11,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:11,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:11,598 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:11,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:11,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:11,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:11,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:11,599 INFO L229 MonitoredProcess]: Starting monitored process 663 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:11,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (663)] Waiting until timeout for monitored process [2024-11-08 23:01:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:12,998 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:13,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:13,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:13,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (663)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:13,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:13,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:13,050 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:13,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:13,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:13,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:13,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:13,051 INFO L229 MonitoredProcess]: Starting monitored process 664 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:13,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (664)] Waiting until timeout for monitored process [2024-11-08 23:01:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:14,419 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:14,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:14,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:14,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:14,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (664)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:14,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:14,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:14,470 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:14,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:14,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:14,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:14,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:14,471 INFO L229 MonitoredProcess]: Starting monitored process 665 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:14,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (665)] Waiting until timeout for monitored process [2024-11-08 23:01:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:15,842 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:15,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:15,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:15,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:15,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (665)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:15,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:15,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:15,895 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:15,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:15,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:15,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:15,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:15,896 INFO L229 MonitoredProcess]: Starting monitored process 666 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:15,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (666)] Waiting until timeout for monitored process [2024-11-08 23:01:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:17,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:17,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:17,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:17,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:17,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (666)] Ended with exit code 0 [2024-11-08 23:01:17,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:17,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:17,316 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:17,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:17,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:17,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:17,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:17,317 INFO L229 MonitoredProcess]: Starting monitored process 667 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:17,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (667)] Waiting until timeout for monitored process [2024-11-08 23:01:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:18,684 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:18,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:18,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:18,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:18,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (667)] Ended with exit code 0 [2024-11-08 23:01:18,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:18,733 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:18,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:18,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:18,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:18,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:18,734 INFO L229 MonitoredProcess]: Starting monitored process 668 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:18,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (668)] Waiting until timeout for monitored process [2024-11-08 23:01:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:20,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:20,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:20,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:20,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:20,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (668)] Ended with exit code 0 [2024-11-08 23:01:20,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:20,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:20,158 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:20,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:20,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:20,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:20,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:20,159 INFO L229 MonitoredProcess]: Starting monitored process 669 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:20,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (669)] Waiting until timeout for monitored process [2024-11-08 23:01:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:21,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:21,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:21,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:21,569 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:21,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (669)] Ended with exit code 0 [2024-11-08 23:01:21,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:21,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:21,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:21,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:21,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:21,588 INFO L229 MonitoredProcess]: Starting monitored process 670 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:21,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (670)] Waiting until timeout for monitored process [2024-11-08 23:01:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:22,997 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:23,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:23,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:23,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:23,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (670)] Ended with exit code 0 [2024-11-08 23:01:23,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:23,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:23,048 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:23,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:23,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:23,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:23,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:23,049 INFO L229 MonitoredProcess]: Starting monitored process 671 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:23,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (671)] Waiting until timeout for monitored process [2024-11-08 23:01:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:24,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:24,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:24,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:24,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:24,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (671)] Ended with exit code 0 [2024-11-08 23:01:24,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:24,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:24,498 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:24,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:24,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:24,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:24,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:24,499 INFO L229 MonitoredProcess]: Starting monitored process 672 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:24,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (672)] Waiting until timeout for monitored process [2024-11-08 23:01:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:25,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:25,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:25,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:25,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:25,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (672)] Ended with exit code 0 [2024-11-08 23:01:25,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:25,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:25,936 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:25,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:25,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:25,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:25,938 INFO L229 MonitoredProcess]: Starting monitored process 673 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:25,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (673)] Waiting until timeout for monitored process [2024-11-08 23:01:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:27,319 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:27,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:27,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:27,353 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:27,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (673)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:27,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:27,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:27,372 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:27,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:27,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:27,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:27,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:27,373 INFO L229 MonitoredProcess]: Starting monitored process 674 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:27,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (674)] Waiting until timeout for monitored process [2024-11-08 23:01:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:28,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:28,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:28,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:28,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:28,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (674)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:28,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:28,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:28,807 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:28,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:28,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:28,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:28,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:28,808 INFO L229 MonitoredProcess]: Starting monitored process 675 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:28,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (675)] Waiting until timeout for monitored process [2024-11-08 23:01:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:30,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:30,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:30,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:30,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:30,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (675)] Ended with exit code 0 [2024-11-08 23:01:30,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:30,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:30,268 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:30,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:30,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:30,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:30,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:30,269 INFO L229 MonitoredProcess]: Starting monitored process 676 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:30,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (676)] Waiting until timeout for monitored process [2024-11-08 23:01:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:31,659 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:31,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:31,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:31,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (676)] Ended with exit code 0 [2024-11-08 23:01:31,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:31,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:31,711 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:31,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:31,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:31,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:31,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:31,712 INFO L229 MonitoredProcess]: Starting monitored process 677 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:31,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (677)] Waiting until timeout for monitored process [2024-11-08 23:01:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:33,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:33,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:33,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:33,157 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:33,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (677)] Ended with exit code 0 [2024-11-08 23:01:33,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:33,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:33,177 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:33,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:33,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:33,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:33,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:33,178 INFO L229 MonitoredProcess]: Starting monitored process 678 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:33,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (678)] Waiting until timeout for monitored process [2024-11-08 23:01:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:34,573 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:34,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:34,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:34,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:34,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (678)] Ended with exit code 0 [2024-11-08 23:01:34,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:34,625 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:34,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:34,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:34,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:34,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:34,626 INFO L229 MonitoredProcess]: Starting monitored process 679 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:34,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (679)] Waiting until timeout for monitored process [2024-11-08 23:01:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:36,019 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:36,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:36,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:36,052 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:36,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (679)] Ended with exit code 0 [2024-11-08 23:01:36,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:36,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:36,071 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:36,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:36,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:36,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:36,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:36,073 INFO L229 MonitoredProcess]: Starting monitored process 680 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:36,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (680)] Waiting until timeout for monitored process [2024-11-08 23:01:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:37,467 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:37,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:37,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:37,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (680)] Ended with exit code 0 [2024-11-08 23:01:37,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:37,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:37,520 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:37,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:37,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:37,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:37,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:37,521 INFO L229 MonitoredProcess]: Starting monitored process 681 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:37,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (681)] Waiting until timeout for monitored process [2024-11-08 23:01:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:38,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:38,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:38,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:38,953 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:38,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (681)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:38,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:38,972 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:38,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:38,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:38,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:38,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:38,973 INFO L229 MonitoredProcess]: Starting monitored process 682 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:38,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (682)] Waiting until timeout for monitored process [2024-11-08 23:01:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:40,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:40,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:40,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:40,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (682)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:40,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:40,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:40,437 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:40,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:40,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:40,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:40,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:40,438 INFO L229 MonitoredProcess]: Starting monitored process 683 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:40,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (683)] Waiting until timeout for monitored process [2024-11-08 23:01:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:41,845 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:41,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:41,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:41,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (683)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:41,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:41,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:41,897 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:41,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:41,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:41,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:41,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:41,898 INFO L229 MonitoredProcess]: Starting monitored process 684 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:41,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (684)] Waiting until timeout for monitored process [2024-11-08 23:01:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:43,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:43,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:43,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:43,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (684)] Ended with exit code 0 [2024-11-08 23:01:43,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:43,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:43,369 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:43,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:43,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:43,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:43,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:43,370 INFO L229 MonitoredProcess]: Starting monitored process 685 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:43,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (685)] Waiting until timeout for monitored process [2024-11-08 23:01:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:44,777 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:44,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:44,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:44,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:44,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (685)] Ended with exit code 0 [2024-11-08 23:01:44,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:44,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:44,829 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:44,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:44,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:44,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:44,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:44,830 INFO L229 MonitoredProcess]: Starting monitored process 686 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:44,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (686)] Waiting until timeout for monitored process [2024-11-08 23:01:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:46,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:46,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:46,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:46,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (686)] Ended with exit code 0 [2024-11-08 23:01:46,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:46,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:46,288 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:46,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:46,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:46,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:46,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:46,289 INFO L229 MonitoredProcess]: Starting monitored process 687 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:46,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (687)] Waiting until timeout for monitored process [2024-11-08 23:01:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:47,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:47,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:47,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:47,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:47,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (687)] Ended with exit code 0 [2024-11-08 23:01:47,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:47,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:47,754 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:47,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:47,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:47,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:47,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:47,755 INFO L229 MonitoredProcess]: Starting monitored process 688 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:47,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (688)] Waiting until timeout for monitored process [2024-11-08 23:01:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:49,173 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:49,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:49,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:49,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:49,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (688)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:49,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:49,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:49,226 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:49,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:49,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:49,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:49,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:49,227 INFO L229 MonitoredProcess]: Starting monitored process 689 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:49,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (689)] Waiting until timeout for monitored process [2024-11-08 23:01:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:50,647 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:50,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:50,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:50,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (689)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:50,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:50,700 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:50,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:50,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:50,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:50,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:50,701 INFO L229 MonitoredProcess]: Starting monitored process 690 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:50,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (690)] Waiting until timeout for monitored process [2024-11-08 23:01:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:52,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:52,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:52,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:52,150 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:52,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (690)] Ended with exit code 0 [2024-11-08 23:01:52,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:52,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:52,176 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:52,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:52,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:52,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:52,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:52,179 INFO L229 MonitoredProcess]: Starting monitored process 691 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:52,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (691)] Waiting until timeout for monitored process [2024-11-08 23:01:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:53,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:53,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:53,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:53,666 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:53,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (691)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:53,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:53,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:53,686 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:53,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:53,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:53,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:53,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:53,687 INFO L229 MonitoredProcess]: Starting monitored process 692 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:53,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (692)] Waiting until timeout for monitored process [2024-11-08 23:01:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:55,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:55,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:55,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:55,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:55,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (692)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:55,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:55,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:55,163 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:55,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:55,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:55,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:55,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:55,164 INFO L229 MonitoredProcess]: Starting monitored process 693 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:55,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (693)] Waiting until timeout for monitored process [2024-11-08 23:01:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:56,593 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:56,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:56,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:56,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:56,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (693)] Ended with exit code 0 [2024-11-08 23:01:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:56,648 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:56,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:56,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:56,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:56,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:56,649 INFO L229 MonitoredProcess]: Starting monitored process 694 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:56,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (694)] Waiting until timeout for monitored process [2024-11-08 23:01:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:58,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:58,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:58,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:58,116 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:58,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (694)] Ended with exit code 0 [2024-11-08 23:01:58,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:58,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:58,137 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:58,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:58,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:58,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:58,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:58,138 INFO L229 MonitoredProcess]: Starting monitored process 695 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:58,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (695)] Waiting until timeout for monitored process [2024-11-08 23:01:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:59,568 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:59,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:59,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:59,601 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:01:59,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (695)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:59,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:59,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:01:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:01:59,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:59,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:59,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:59,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:59,632 INFO L229 MonitoredProcess]: Starting monitored process 696 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:59,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (696)] Waiting until timeout for monitored process [2024-11-08 23:02:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:01,092 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:01,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:01,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:01,127 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:01,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (696)] Ended with exit code 0 [2024-11-08 23:02:01,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:01,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:01,147 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:01,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:01,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:01,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:01,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:01,148 INFO L229 MonitoredProcess]: Starting monitored process 697 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:01,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (697)] Waiting until timeout for monitored process [2024-11-08 23:02:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:02,605 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:02,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:02,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:02,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:02,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (697)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:02,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:02,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:02,670 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:02,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:02,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:02,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:02,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:02,671 INFO L229 MonitoredProcess]: Starting monitored process 698 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:02,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (698)] Waiting until timeout for monitored process [2024-11-08 23:02:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:04,130 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:04,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:04,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:04,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (698)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:04,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:04,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:04,184 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:04,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:04,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:04,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:04,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:04,186 INFO L229 MonitoredProcess]: Starting monitored process 699 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:04,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (699)] Waiting until timeout for monitored process [2024-11-08 23:02:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:05,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:05,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:05,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:05,659 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:05,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (699)] Ended with exit code 0 [2024-11-08 23:02:05,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:05,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:05,679 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:05,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:05,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:05,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:05,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:05,682 INFO L229 MonitoredProcess]: Starting monitored process 700 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:05,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (700)] Waiting until timeout for monitored process [2024-11-08 23:02:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:07,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:07,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:07,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:07,164 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:07,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (700)] Ended with exit code 0 [2024-11-08 23:02:07,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:07,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:07,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:07,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:07,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:07,186 INFO L229 MonitoredProcess]: Starting monitored process 701 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:07,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (701)] Waiting until timeout for monitored process [2024-11-08 23:02:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:08,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:08,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:08,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:08,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:08,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (701)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:08,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:08,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:08,675 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:08,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:08,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:08,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:08,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:08,676 INFO L229 MonitoredProcess]: Starting monitored process 702 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:08,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (702)] Waiting until timeout for monitored process [2024-11-08 23:02:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:10,118 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:10,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:10,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:10,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (702)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:10,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:10,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:10,172 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:10,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:10,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:10,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:10,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:10,173 INFO L229 MonitoredProcess]: Starting monitored process 703 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:10,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (703)] Waiting until timeout for monitored process [2024-11-08 23:02:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:11,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:11,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:11,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:11,650 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:11,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (703)] Ended with exit code 0 [2024-11-08 23:02:11,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:11,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:11,671 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:11,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:11,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:11,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:11,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:11,672 INFO L229 MonitoredProcess]: Starting monitored process 704 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:11,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (704)] Waiting until timeout for monitored process [2024-11-08 23:02:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:13,146 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:13,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:13,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:13,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:13,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (704)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:13,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:13,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:13,199 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:13,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:13,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:13,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:13,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:13,200 INFO L229 MonitoredProcess]: Starting monitored process 705 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:13,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (705)] Waiting until timeout for monitored process [2024-11-08 23:02:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:14,647 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:14,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:14,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:14,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:14,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (705)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:14,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:14,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:14,701 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:14,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:14,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:14,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:14,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:14,702 INFO L229 MonitoredProcess]: Starting monitored process 706 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:14,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (706)] Waiting until timeout for monitored process [2024-11-08 23:02:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:16,153 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:16,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:16,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:16,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (706)] Ended with exit code 0 [2024-11-08 23:02:16,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:16,210 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:16,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:16,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:16,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:16,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:16,211 INFO L229 MonitoredProcess]: Starting monitored process 707 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:16,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (707)] Waiting until timeout for monitored process [2024-11-08 23:02:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:17,673 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:17,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:17,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:17,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:17,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (707)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:17,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:17,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:17,729 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:17,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:17,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:17,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:17,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:17,730 INFO L229 MonitoredProcess]: Starting monitored process 708 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:17,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (708)] Waiting until timeout for monitored process [2024-11-08 23:02:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:19,193 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:19,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:19,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:19,227 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:19,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (708)] Ended with exit code 0 [2024-11-08 23:02:19,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:19,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:19,248 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:19,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:19,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:19,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:19,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:19,249 INFO L229 MonitoredProcess]: Starting monitored process 709 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:19,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (709)] Waiting until timeout for monitored process [2024-11-08 23:02:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:20,712 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:20,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:20,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:20,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (709)] Ended with exit code 0 [2024-11-08 23:02:20,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:20,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:20,764 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:20,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:20,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:20,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:20,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:20,765 INFO L229 MonitoredProcess]: Starting monitored process 710 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:20,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (710)] Waiting until timeout for monitored process [2024-11-08 23:02:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:22,224 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:22,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:22,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:22,257 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:22,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (710)] Ended with exit code 0 [2024-11-08 23:02:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:22,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:22,277 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:22,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:22,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:22,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:22,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:22,278 INFO L229 MonitoredProcess]: Starting monitored process 711 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:22,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (711)] Waiting until timeout for monitored process [2024-11-08 23:02:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:23,780 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:23,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:23,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:23,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:23,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (711)] Ended with exit code 0 [2024-11-08 23:02:23,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:23,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:23,834 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:23,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:23,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:23,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:23,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:23,836 INFO L229 MonitoredProcess]: Starting monitored process 712 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:23,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (712)] Waiting until timeout for monitored process [2024-11-08 23:02:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:25,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:25,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:25,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:25,334 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:25,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (712)] Ended with exit code 0 [2024-11-08 23:02:25,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:25,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:25,355 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:25,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:25,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:25,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:25,356 INFO L229 MonitoredProcess]: Starting monitored process 713 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:25,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (713)] Waiting until timeout for monitored process [2024-11-08 23:02:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:26,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:26,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:26,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:26,853 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:26,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (713)] Ended with exit code 0 [2024-11-08 23:02:26,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:26,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:26,873 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:26,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:26,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:26,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:26,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:26,874 INFO L229 MonitoredProcess]: Starting monitored process 714 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:26,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (714)] Waiting until timeout for monitored process [2024-11-08 23:02:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:28,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:28,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:28,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:28,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:28,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (714)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:28,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:28,404 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:28,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:28,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:28,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:28,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:28,405 INFO L229 MonitoredProcess]: Starting monitored process 715 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:28,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (715)] Waiting until timeout for monitored process [2024-11-08 23:02:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:29,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:29,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:29,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:29,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:29,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (715)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:29,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:29,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:29,933 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:29,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:29,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:29,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:29,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:29,934 INFO L229 MonitoredProcess]: Starting monitored process 716 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:29,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (716)] Waiting until timeout for monitored process [2024-11-08 23:02:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:31,416 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:31,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:31,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:31,450 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:31,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (716)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:31,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:31,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:31,471 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:31,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:31,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:31,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:31,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:31,472 INFO L229 MonitoredProcess]: Starting monitored process 717 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:31,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (717)] Waiting until timeout for monitored process [2024-11-08 23:02:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:32,978 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:33,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:33,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:33,012 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:33,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (717)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:33,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:33,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:33,033 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:33,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:33,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:33,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:33,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:33,035 INFO L229 MonitoredProcess]: Starting monitored process 718 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:33,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (718)] Waiting until timeout for monitored process [2024-11-08 23:02:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:34,521 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:34,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:34,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:34,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (718)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:34,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:34,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:34,574 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:34,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:34,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:34,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:34,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:34,575 INFO L229 MonitoredProcess]: Starting monitored process 719 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:34,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (719)] Waiting until timeout for monitored process [2024-11-08 23:02:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:36,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:36,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:36,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:36,097 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:36,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (719)] Ended with exit code 0 [2024-11-08 23:02:36,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:36,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:36,120 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:36,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:36,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:36,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:36,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:36,121 INFO L229 MonitoredProcess]: Starting monitored process 720 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:36,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (720)] Waiting until timeout for monitored process [2024-11-08 23:02:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:37,597 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:37,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:37,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:37,630 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:37,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (720)] Ended with exit code 0 [2024-11-08 23:02:37,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:37,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:37,650 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:37,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:37,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:37,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:37,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:37,652 INFO L229 MonitoredProcess]: Starting monitored process 721 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:37,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (721)] Waiting until timeout for monitored process [2024-11-08 23:02:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:39,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:39,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:39,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:39,159 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:39,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (721)] Ended with exit code 0 [2024-11-08 23:02:39,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:39,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:39,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:39,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:39,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:39,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:39,180 INFO L229 MonitoredProcess]: Starting monitored process 722 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:39,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (722)] Waiting until timeout for monitored process [2024-11-08 23:02:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:40,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:40,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:40,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:40,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:40,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (722)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:40,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:40,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:40,718 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:40,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:40,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:40,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:40,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:40,719 INFO L229 MonitoredProcess]: Starting monitored process 723 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:40,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (723)] Waiting until timeout for monitored process [2024-11-08 23:02:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:42,198 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:42,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:42,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:42,231 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:42,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (723)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:42,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:42,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:42,251 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:42,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:42,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:42,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:42,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:42,252 INFO L229 MonitoredProcess]: Starting monitored process 724 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:42,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (724)] Waiting until timeout for monitored process [2024-11-08 23:02:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:43,769 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:43,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:43,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:43,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (724)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:43,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:43,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:43,823 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:43,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:43,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:43,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:43,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:43,824 INFO L229 MonitoredProcess]: Starting monitored process 725 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:43,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (725)] Waiting until timeout for monitored process [2024-11-08 23:02:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:45,307 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:45,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:45,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:45,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:45,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (725)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:45,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:45,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:45,360 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:45,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:45,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:45,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:45,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:45,361 INFO L229 MonitoredProcess]: Starting monitored process 726 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:45,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (726)] Waiting until timeout for monitored process [2024-11-08 23:02:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:46,850 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:46,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:46,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:46,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:46,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (726)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:46,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:46,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:46,903 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:46,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:46,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:46,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:46,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:46,904 INFO L229 MonitoredProcess]: Starting monitored process 727 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:46,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (727)] Waiting until timeout for monitored process [2024-11-08 23:02:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:48,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:48,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:48,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:48,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:48,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (727)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:48,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:48,443 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:48,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:48,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:48,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:48,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:48,444 INFO L229 MonitoredProcess]: Starting monitored process 728 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:48,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (728)] Waiting until timeout for monitored process [2024-11-08 23:02:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:49,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:49,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:49,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:49,969 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:49,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (728)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:49,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:49,990 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:49,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:49,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:49,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:49,992 INFO L229 MonitoredProcess]: Starting monitored process 729 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:49,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (729)] Waiting until timeout for monitored process [2024-11-08 23:02:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:51,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:51,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:51,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:51,522 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:51,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (729)] Ended with exit code 0 [2024-11-08 23:02:51,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:51,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:51,543 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:51,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:51,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:51,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:51,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:51,544 INFO L229 MonitoredProcess]: Starting monitored process 730 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:51,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (730)] Waiting until timeout for monitored process [2024-11-08 23:02:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:53,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:53,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:53,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:53,121 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:53,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (730)] Ended with exit code 0 [2024-11-08 23:02:53,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:53,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:53,142 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:53,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:53,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:53,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:53,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:53,143 INFO L229 MonitoredProcess]: Starting monitored process 731 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:53,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (731)] Waiting until timeout for monitored process [2024-11-08 23:02:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:54,637 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:54,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:54,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:54,671 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:54,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (731)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:54,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:54,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:54,699 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:54,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:54,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:54,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:54,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:54,700 INFO L229 MonitoredProcess]: Starting monitored process 732 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:54,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (732)] Waiting until timeout for monitored process [2024-11-08 23:02:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:56,202 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:56,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:56,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:56,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:56,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (732)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:56,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:56,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:56,256 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:56,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:56,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:56,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:56,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:56,258 INFO L229 MonitoredProcess]: Starting monitored process 733 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:56,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (733)] Waiting until timeout for monitored process [2024-11-08 23:02:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:57,764 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:57,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:57,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:57,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:57,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (733)] Ended with exit code 0 [2024-11-08 23:02:57,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:57,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:57,818 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:57,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:57,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:57,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:57,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:57,819 INFO L229 MonitoredProcess]: Starting monitored process 734 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:57,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (734)] Waiting until timeout for monitored process [2024-11-08 23:02:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:59,327 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:59,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:02:59,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:59,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:59,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (734)] Ended with exit code 0 [2024-11-08 23:02:59,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:59,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:02:59,380 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:02:59,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:02:59,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:59,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:59,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:59,381 INFO L229 MonitoredProcess]: Starting monitored process 735 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:59,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (735)] Waiting until timeout for monitored process [2024-11-08 23:03:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:00,894 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:00,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:00,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:00,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (735)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:00,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:00,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:00,948 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:00,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:00,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:00,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:00,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:00,950 INFO L229 MonitoredProcess]: Starting monitored process 736 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:00,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (736)] Waiting until timeout for monitored process [2024-11-08 23:03:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:02,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:02,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:02,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:02,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:02,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (736)] Ended with exit code 0 [2024-11-08 23:03:02,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:02,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:02,511 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:02,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:02,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:02,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:02,514 INFO L229 MonitoredProcess]: Starting monitored process 737 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:02,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (737)] Waiting until timeout for monitored process [2024-11-08 23:03:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:04,063 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:04,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:04,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:04,097 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:04,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (737)] Ended with exit code 0 [2024-11-08 23:03:04,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:04,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:04,119 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:04,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:04,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:04,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:04,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:04,120 INFO L229 MonitoredProcess]: Starting monitored process 738 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:04,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (738)] Waiting until timeout for monitored process [2024-11-08 23:03:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:05,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:05,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:05,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:05,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:05,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (738)] Ended with exit code 0 [2024-11-08 23:03:05,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:05,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:05,685 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:05,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:05,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:05,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:05,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:05,686 INFO L229 MonitoredProcess]: Starting monitored process 739 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:05,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (739)] Waiting until timeout for monitored process [2024-11-08 23:03:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:07,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:07,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:07,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:07,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (739)] Ended with exit code 0 [2024-11-08 23:03:07,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:07,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:07,249 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:07,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:07,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:07,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:07,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:07,250 INFO L229 MonitoredProcess]: Starting monitored process 740 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:07,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (740)] Waiting until timeout for monitored process [2024-11-08 23:03:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:08,763 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:08,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:08,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:08,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:08,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (740)] Ended with exit code 0 [2024-11-08 23:03:08,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:08,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:08,818 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:08,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:08,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:08,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:08,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:08,819 INFO L229 MonitoredProcess]: Starting monitored process 741 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:08,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (741)] Waiting until timeout for monitored process [2024-11-08 23:03:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:10,337 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:10,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:10,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:10,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:10,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (741)] Ended with exit code 0 [2024-11-08 23:03:10,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:10,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:10,390 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:10,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:10,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:10,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:10,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:10,393 INFO L229 MonitoredProcess]: Starting monitored process 742 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:10,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (742)] Waiting until timeout for monitored process [2024-11-08 23:03:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:11,914 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:11,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:11,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:11,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:11,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (742)] Ended with exit code 0 [2024-11-08 23:03:11,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:11,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:11,975 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:11,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:11,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:11,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:11,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:11,976 INFO L229 MonitoredProcess]: Starting monitored process 743 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:11,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (743)] Waiting until timeout for monitored process [2024-11-08 23:03:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:13,531 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:13,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:13,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:13,565 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:13,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (743)] Ended with exit code 0 [2024-11-08 23:03:13,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:13,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:13,585 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:13,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:13,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:13,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:13,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:13,586 INFO L229 MonitoredProcess]: Starting monitored process 744 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:13,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (744)] Waiting until timeout for monitored process [2024-11-08 23:03:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:15,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:15,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:15,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:15,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:15,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (744)] Ended with exit code 0 [2024-11-08 23:03:15,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:15,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:15,170 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:15,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:15,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:15,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:15,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:15,171 INFO L229 MonitoredProcess]: Starting monitored process 745 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:15,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (745)] Waiting until timeout for monitored process [2024-11-08 23:03:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:16,699 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:16,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:16,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:16,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (745)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:16,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:16,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:16,752 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:16,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:16,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:16,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:16,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:16,754 INFO L229 MonitoredProcess]: Starting monitored process 746 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:16,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (746)] Waiting until timeout for monitored process [2024-11-08 23:03:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:18,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:18,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:18,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:18,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (746)] Ended with exit code 0 [2024-11-08 23:03:18,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:18,332 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:18,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:18,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:18,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:18,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:18,333 INFO L229 MonitoredProcess]: Starting monitored process 747 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:18,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (747)] Waiting until timeout for monitored process [2024-11-08 23:03:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:19,863 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:19,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:19,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:19,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (747)] Ended with exit code 0 [2024-11-08 23:03:19,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:19,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:19,919 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:19,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:19,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:19,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:19,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:19,920 INFO L229 MonitoredProcess]: Starting monitored process 748 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:19,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (748)] Waiting until timeout for monitored process [2024-11-08 23:03:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:21,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:21,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:21,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:21,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:21,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (748)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:21,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:21,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:21,517 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:21,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:21,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:21,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:21,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:21,518 INFO L229 MonitoredProcess]: Starting monitored process 749 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:21,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (749)] Waiting until timeout for monitored process [2024-11-08 23:03:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:23,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:23,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:23,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:23,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (749)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:23,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:23,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:23,158 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:23,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:23,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:23,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:23,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:23,159 INFO L229 MonitoredProcess]: Starting monitored process 750 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:23,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (750)] Waiting until timeout for monitored process [2024-11-08 23:03:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:24,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:24,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:24,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:24,870 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:24,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (750)] Ended with exit code 0 [2024-11-08 23:03:24,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:24,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:24,900 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:24,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:24,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:24,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:24,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:24,903 INFO L229 MonitoredProcess]: Starting monitored process 751 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:24,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (751)] Waiting until timeout for monitored process [2024-11-08 23:03:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:26,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:26,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:26,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:26,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:26,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (751)] Ended with exit code 0 [2024-11-08 23:03:26,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:26,526 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:26,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:26,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:26,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:26,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:26,529 INFO L229 MonitoredProcess]: Starting monitored process 752 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:26,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (752)] Waiting until timeout for monitored process [2024-11-08 23:03:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:28,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:28,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:28,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:28,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (752)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:28,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:28,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:28,141 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:28,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:28,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:28,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:28,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:28,143 INFO L229 MonitoredProcess]: Starting monitored process 753 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:28,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (753)] Waiting until timeout for monitored process [2024-11-08 23:03:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:29,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:29,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:29,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:29,717 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:29,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (753)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:29,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:29,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:29,738 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:29,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:29,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:29,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:29,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:29,740 INFO L229 MonitoredProcess]: Starting monitored process 754 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:29,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (754)] Waiting until timeout for monitored process [2024-11-08 23:03:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:31,297 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:31,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:31,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:31,330 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:31,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (754)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:31,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:31,360 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:31,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:31,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:31,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:31,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:31,361 INFO L229 MonitoredProcess]: Starting monitored process 755 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:31,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (755)] Waiting until timeout for monitored process [2024-11-08 23:03:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:32,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:33,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:33,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:33,014 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:33,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (755)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:33,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:33,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:33,036 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:33,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:33,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:33,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:33,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:33,037 INFO L229 MonitoredProcess]: Starting monitored process 756 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:33,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (756)] Waiting until timeout for monitored process [2024-11-08 23:03:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:34,607 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:34,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:34,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:34,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (756)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:34,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:34,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:34,664 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:34,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:34,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:34,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:34,665 INFO L229 MonitoredProcess]: Starting monitored process 757 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:34,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (757)] Waiting until timeout for monitored process [2024-11-08 23:03:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:36,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:36,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:36,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:36,266 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:36,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (757)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:36,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:36,288 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:36,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:36,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:36,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:36,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:36,289 INFO L229 MonitoredProcess]: Starting monitored process 758 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:36,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (758)] Waiting until timeout for monitored process [2024-11-08 23:03:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:37,852 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:37,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:37,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:37,885 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:37,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (758)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:37,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:37,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:37,907 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:37,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:37,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:37,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:37,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:37,908 INFO L229 MonitoredProcess]: Starting monitored process 759 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:37,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (759)] Waiting until timeout for monitored process [2024-11-08 23:03:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:39,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:39,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:39,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:39,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:39,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (759)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:39,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:39,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:39,518 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:39,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:39,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:39,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:39,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:39,520 INFO L229 MonitoredProcess]: Starting monitored process 760 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:39,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (760)] Waiting until timeout for monitored process [2024-11-08 23:03:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,077 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:41,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:41,117 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:41,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (760)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:41,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:41,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:41,138 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:41,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:41,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:41,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:41,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:41,140 INFO L229 MonitoredProcess]: Starting monitored process 761 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:41,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (761)] Waiting until timeout for monitored process [2024-11-08 23:03:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:42,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:42,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:42,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:42,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (761)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:42,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:42,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:42,791 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:42,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:42,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:42,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:42,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:42,792 INFO L229 MonitoredProcess]: Starting monitored process 762 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:42,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (762)] Waiting until timeout for monitored process [2024-11-08 23:03:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:44,365 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:44,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:44,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:44,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:44,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (762)] Ended with exit code 0 [2024-11-08 23:03:44,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:44,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:44,421 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:44,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:44,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:44,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:44,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:44,422 INFO L229 MonitoredProcess]: Starting monitored process 763 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:44,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (763)] Waiting until timeout for monitored process [2024-11-08 23:03:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:45,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:46,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:46,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:46,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (763)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:46,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:46,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:46,053 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:46,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:46,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:46,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:46,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:46,056 INFO L229 MonitoredProcess]: Starting monitored process 764 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:46,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (764)] Waiting until timeout for monitored process [2024-11-08 23:03:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:47,633 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:47,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:47,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:47,668 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:47,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (764)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:47,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:47,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:47,691 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:47,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:47,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:47,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:47,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:47,692 INFO L229 MonitoredProcess]: Starting monitored process 765 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:47,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (765)] Waiting until timeout for monitored process [2024-11-08 23:03:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:49,259 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:49,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:49,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:49,300 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:49,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (765)] Ended with exit code 0 [2024-11-08 23:03:49,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:49,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:49,322 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:49,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:49,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:49,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:49,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:49,323 INFO L229 MonitoredProcess]: Starting monitored process 766 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:49,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (766)] Waiting until timeout for monitored process [2024-11-08 23:03:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:50,908 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:50,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:50,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:50,941 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:50,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (766)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:50,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:50,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:50,963 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:50,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:50,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:50,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:50,966 INFO L229 MonitoredProcess]: Starting monitored process 767 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:50,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (767)] Waiting until timeout for monitored process [2024-11-08 23:03:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:52,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:52,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:52,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:52,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:52,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (767)] Ended with exit code 0 [2024-11-08 23:03:52,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:52,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:52,619 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:52,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:52,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:52,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:52,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:52,620 INFO L229 MonitoredProcess]: Starting monitored process 768 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:52,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (768)] Waiting until timeout for monitored process [2024-11-08 23:03:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:54,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:54,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:54,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:54,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (768)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:54,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:54,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:54,300 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:54,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:54,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:54,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:54,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:54,302 INFO L229 MonitoredProcess]: Starting monitored process 769 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:54,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (769)] Waiting until timeout for monitored process [2024-11-08 23:03:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:55,881 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:55,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:55,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:55,915 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:55,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (769)] Ended with exit code 0 [2024-11-08 23:03:55,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:55,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:55,941 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:55,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:55,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:55,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:55,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:55,944 INFO L229 MonitoredProcess]: Starting monitored process 770 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:55,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (770)] Waiting until timeout for monitored process [2024-11-08 23:03:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:57,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:57,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:57,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:57,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (770)] Ended with exit code 0 [2024-11-08 23:03:57,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:57,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:57,601 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:57,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:57,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:57,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:57,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:57,603 INFO L229 MonitoredProcess]: Starting monitored process 771 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:57,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (771)] Waiting until timeout for monitored process [2024-11-08 23:03:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:59,191 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:59,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:03:59,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:59,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:59,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (771)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:59,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:59,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:03:59,248 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:03:59,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:03:59,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:59,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:59,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:59,250 INFO L229 MonitoredProcess]: Starting monitored process 772 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:59,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (772)] Waiting until timeout for monitored process [2024-11-08 23:04:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:00,841 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:00,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:00,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:00,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (772)] Ended with exit code 0 [2024-11-08 23:04:00,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:00,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:00,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:00,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:00,902 INFO L229 MonitoredProcess]: Starting monitored process 773 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:00,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (773)] Waiting until timeout for monitored process [2024-11-08 23:04:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:02,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:02,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:02,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:02,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:02,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (773)] Ended with exit code 0 [2024-11-08 23:04:02,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:02,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:02,538 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:02,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:02,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:02,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:02,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:02,539 INFO L229 MonitoredProcess]: Starting monitored process 774 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:02,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (774)] Waiting until timeout for monitored process [2024-11-08 23:04:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:04,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:04,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:04,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:04,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (774)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:04,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:04,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:04,236 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:04,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:04,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:04,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:04,237 INFO L229 MonitoredProcess]: Starting monitored process 775 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:04,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (775)] Waiting until timeout for monitored process [2024-11-08 23:04:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:05,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:05,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:05,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:05,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:05,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (775)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:05,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:05,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:05,889 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:05,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:05,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:05,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:05,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:05,890 INFO L229 MonitoredProcess]: Starting monitored process 776 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:05,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (776)] Waiting until timeout for monitored process [2024-11-08 23:04:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:07,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:07,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:07,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:07,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:07,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (776)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:07,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:07,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:07,543 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:07,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:07,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:07,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:07,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:07,544 INFO L229 MonitoredProcess]: Starting monitored process 777 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:07,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (777)] Waiting until timeout for monitored process [2024-11-08 23:04:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:09,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:09,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:09,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:09,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (777)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:09,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:09,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:09,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:09,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:09,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:09,193 INFO L229 MonitoredProcess]: Starting monitored process 778 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:09,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (778)] Waiting until timeout for monitored process [2024-11-08 23:04:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:10,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:10,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:10,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:10,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (778)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:10,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:10,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:10,858 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:10,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:10,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:10,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:10,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:10,861 INFO L229 MonitoredProcess]: Starting monitored process 779 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:10,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (779)] Waiting until timeout for monitored process [2024-11-08 23:04:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:12,460 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:12,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:12,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:12,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:12,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (779)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:12,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:12,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:12,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:12,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:12,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:12,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:12,519 INFO L229 MonitoredProcess]: Starting monitored process 780 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:12,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (780)] Waiting until timeout for monitored process [2024-11-08 23:04:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:14,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:14,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:14,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:14,196 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:14,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (780)] Ended with exit code 0 [2024-11-08 23:04:14,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:14,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:14,218 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:14,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:14,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:14,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:14,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:14,219 INFO L229 MonitoredProcess]: Starting monitored process 781 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:14,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (781)] Waiting until timeout for monitored process [2024-11-08 23:04:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:15,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:15,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:15,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:15,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:15,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (781)] Ended with exit code 0 [2024-11-08 23:04:15,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:15,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:15,883 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:15,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:15,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:15,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:15,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:15,884 INFO L229 MonitoredProcess]: Starting monitored process 782 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:15,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (782)] Waiting until timeout for monitored process [2024-11-08 23:04:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:17,490 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:17,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:17,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:17,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (782)] Ended with exit code 0 [2024-11-08 23:04:17,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:17,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:17,547 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:17,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:17,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:17,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:17,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:17,548 INFO L229 MonitoredProcess]: Starting monitored process 783 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:17,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (783)] Waiting until timeout for monitored process [2024-11-08 23:04:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:19,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:19,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:19,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:19,186 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:19,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (783)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:19,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:19,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:19,209 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:19,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:19,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:19,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:19,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:19,210 INFO L229 MonitoredProcess]: Starting monitored process 784 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:19,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (784)] Waiting until timeout for monitored process [2024-11-08 23:04:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:20,825 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:20,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:20,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:20,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:20,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (784)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:20,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:20,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:20,882 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:20,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:20,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:20,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:20,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:20,883 INFO L229 MonitoredProcess]: Starting monitored process 785 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:20,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (785)] Waiting until timeout for monitored process [2024-11-08 23:04:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:22,497 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:22,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:22,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:22,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (785)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:22,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:22,572 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:22,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:22,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:22,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:22,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:22,575 INFO L229 MonitoredProcess]: Starting monitored process 786 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:22,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (786)] Waiting until timeout for monitored process [2024-11-08 23:04:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:24,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:24,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:24,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:24,254 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:24,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (786)] Ended with exit code 0 [2024-11-08 23:04:24,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:24,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:24,277 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:24,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:24,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:24,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:24,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:24,278 INFO L229 MonitoredProcess]: Starting monitored process 787 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:24,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (787)] Waiting until timeout for monitored process [2024-11-08 23:04:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:25,886 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:25,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:25,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:25,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:25,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (787)] Ended with exit code 0 [2024-11-08 23:04:25,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:25,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:25,940 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:25,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:25,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:25,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:25,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:25,941 INFO L229 MonitoredProcess]: Starting monitored process 788 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:25,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (788)] Waiting until timeout for monitored process [2024-11-08 23:04:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:27,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:27,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:27,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:27,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (788)] Ended with exit code 0 [2024-11-08 23:04:27,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:27,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:27,616 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:27,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:27,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:27,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:27,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:27,617 INFO L229 MonitoredProcess]: Starting monitored process 789 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:27,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (789)] Waiting until timeout for monitored process [2024-11-08 23:04:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:29,234 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:29,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:29,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:29,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:29,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (789)] Ended with exit code 0 [2024-11-08 23:04:29,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:29,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:29,302 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:29,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:29,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:29,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:29,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:29,303 INFO L229 MonitoredProcess]: Starting monitored process 790 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:29,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (790)] Waiting until timeout for monitored process [2024-11-08 23:04:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:30,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:30,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:30,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:30,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:30,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (790)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:30,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:30,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:30,988 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:30,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:30,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:30,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:30,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:30,990 INFO L229 MonitoredProcess]: Starting monitored process 791 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:30,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (791)] Waiting until timeout for monitored process [2024-11-08 23:04:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:32,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:32,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:32,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:32,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:32,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (791)] Ended with exit code 0 [2024-11-08 23:04:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:32,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:32,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:32,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:32,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:32,716 INFO L229 MonitoredProcess]: Starting monitored process 792 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:32,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (792)] Waiting until timeout for monitored process [2024-11-08 23:04:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:34,349 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:34,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:34,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:34,383 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:34,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (792)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:34,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:34,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:34,407 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:34,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:34,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:34,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:34,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:34,408 INFO L229 MonitoredProcess]: Starting monitored process 793 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:34,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (793)] Waiting until timeout for monitored process [2024-11-08 23:04:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:36,035 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:36,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:36,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:36,076 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:36,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (793)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:36,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:36,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:36,102 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:36,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:36,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:36,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:36,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:36,103 INFO L229 MonitoredProcess]: Starting monitored process 794 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:36,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (794)] Waiting until timeout for monitored process [2024-11-08 23:04:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:37,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:37,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:37,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:37,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (794)] Ended with exit code 0 [2024-11-08 23:04:37,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:37,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:37,798 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:37,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:37,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:37,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:37,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:37,799 INFO L229 MonitoredProcess]: Starting monitored process 795 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:37,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (795)] Waiting until timeout for monitored process [2024-11-08 23:04:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:39,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:39,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:39,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:39,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:39,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (795)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:39,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:39,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:39,492 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:39,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:39,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:39,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:39,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:39,493 INFO L229 MonitoredProcess]: Starting monitored process 796 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:39,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (796)] Waiting until timeout for monitored process [2024-11-08 23:04:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:41,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:41,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:41,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (796)] Ended with exit code 0 [2024-11-08 23:04:41,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:41,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:41,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:41,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:41,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:41,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:41,192 INFO L229 MonitoredProcess]: Starting monitored process 797 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:41,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (797)] Waiting until timeout for monitored process [2024-11-08 23:04:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,860 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:42,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:42,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:42,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (797)] Ended with exit code 0 [2024-11-08 23:04:42,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:42,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:42,918 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:42,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:42,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:42,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:42,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:42,919 INFO L229 MonitoredProcess]: Starting monitored process 798 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:42,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (798)] Waiting until timeout for monitored process [2024-11-08 23:04:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:44,552 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:44,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:44,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:44,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:44,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (798)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:44,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:44,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:44,607 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:44,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:44,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:44,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:44,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:44,608 INFO L229 MonitoredProcess]: Starting monitored process 799 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:44,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (799)] Waiting until timeout for monitored process [2024-11-08 23:04:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:46,245 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:46,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:46,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:46,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:46,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (799)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:46,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:46,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:46,303 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:46,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:46,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:46,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:46,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:46,304 INFO L229 MonitoredProcess]: Starting monitored process 800 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:46,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (800)] Waiting until timeout for monitored process [2024-11-08 23:04:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:47,949 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:47,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:47,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:48,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (800)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:48,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:48,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:48,010 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:48,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:48,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:48,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:48,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:48,012 INFO L229 MonitoredProcess]: Starting monitored process 801 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:48,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (801)] Waiting until timeout for monitored process [2024-11-08 23:04:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:49,645 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:49,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:49,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:49,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:49,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (801)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:49,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:49,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:49,701 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:49,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:49,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:49,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:49,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:49,703 INFO L229 MonitoredProcess]: Starting monitored process 802 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:49,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (802)] Waiting until timeout for monitored process [2024-11-08 23:04:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:51,345 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:51,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:51,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:51,380 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:51,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (802)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:51,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:51,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:51,404 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:51,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:51,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:51,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:51,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:51,407 INFO L229 MonitoredProcess]: Starting monitored process 803 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:51,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (803)] Waiting until timeout for monitored process [2024-11-08 23:04:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:53,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:53,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:53,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:53,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (803)] Ended with exit code 0 [2024-11-08 23:04:53,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:53,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:53,155 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:53,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:53,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:53,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:53,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:53,156 INFO L229 MonitoredProcess]: Starting monitored process 804 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:53,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (804)] Waiting until timeout for monitored process [2024-11-08 23:04:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:54,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:54,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:54,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:54,840 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:54,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (804)] Ended with exit code 0 [2024-11-08 23:04:54,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:54,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:54,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:54,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:54,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:54,865 INFO L229 MonitoredProcess]: Starting monitored process 805 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:54,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (805)] Waiting until timeout for monitored process [2024-11-08 23:04:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:56,507 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:56,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:56,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:56,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:56,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (805)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:56,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:56,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:56,566 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:56,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:56,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:56,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:56,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:56,569 INFO L229 MonitoredProcess]: Starting monitored process 806 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:56,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (806)] Waiting until timeout for monitored process [2024-11-08 23:04:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:58,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:58,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:58,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:58,242 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:58,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (806)] Ended with exit code 0 [2024-11-08 23:04:58,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:58,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:58,265 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:58,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:58,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:58,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:58,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:58,266 INFO L229 MonitoredProcess]: Starting monitored process 807 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:58,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (807)] Waiting until timeout for monitored process [2024-11-08 23:04:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:59,914 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:59,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:59,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:59,948 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:04:59,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (807)] Forceful destruction successful, exit code 0 [2024-11-08 23:04:59,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:59,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:04:59,970 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:04:59,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:04:59,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:59,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:59,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:59,971 INFO L229 MonitoredProcess]: Starting monitored process 808 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:59,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (808)] Waiting until timeout for monitored process [2024-11-08 23:05:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:01,621 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:01,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:01,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:01,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (808)] Ended with exit code 0 [2024-11-08 23:05:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:01,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:01,678 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:01,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:01,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:01,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:01,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:01,679 INFO L229 MonitoredProcess]: Starting monitored process 809 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:01,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (809)] Waiting until timeout for monitored process [2024-11-08 23:05:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:03,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:03,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:03,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:03,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (809)] Ended with exit code 0 [2024-11-08 23:05:03,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:03,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:03,413 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:03,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:03,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:03,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:03,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:03,414 INFO L229 MonitoredProcess]: Starting monitored process 810 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:03,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (810)] Waiting until timeout for monitored process [2024-11-08 23:05:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:05,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:05,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:05,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:05,102 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:05,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (810)] Ended with exit code 0 [2024-11-08 23:05:05,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:05,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:05,124 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:05,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:05,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:05,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:05,125 INFO L229 MonitoredProcess]: Starting monitored process 811 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:05,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (811)] Waiting until timeout for monitored process [2024-11-08 23:05:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:06,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:06,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:06,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:06,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (811)] Forceful destruction successful, exit code 0 [2024-11-08 23:05:06,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:06,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:06,836 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:06,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:06,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:06,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:06,837 INFO L229 MonitoredProcess]: Starting monitored process 812 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:06,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (812)] Waiting until timeout for monitored process [2024-11-08 23:05:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:08,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:08,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:08,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:08,520 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:08,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (812)] Ended with exit code 0 [2024-11-08 23:05:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:08,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:08,542 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:08,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:08,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:08,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:08,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:08,544 INFO L229 MonitoredProcess]: Starting monitored process 813 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:08,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (813)] Waiting until timeout for monitored process [2024-11-08 23:05:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:10,214 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:10,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:10,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:10,267 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:10,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (813)] Ended with exit code 0 [2024-11-08 23:05:10,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:10,292 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:10,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:10,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:10,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:10,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:10,294 INFO L229 MonitoredProcess]: Starting monitored process 814 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:10,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (814)] Waiting until timeout for monitored process [2024-11-08 23:05:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:11,966 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:11,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:11,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:12,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (814)] Ended with exit code 0 [2024-11-08 23:05:12,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:12,025 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:12,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:12,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:12,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:12,026 INFO L229 MonitoredProcess]: Starting monitored process 815 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:12,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (815)] Waiting until timeout for monitored process [2024-11-08 23:05:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:13,696 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:13,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:13,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:13,728 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:13,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (815)] Ended with exit code 0 [2024-11-08 23:05:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:13,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:13,752 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:13,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:13,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:13,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:13,753 INFO L229 MonitoredProcess]: Starting monitored process 816 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:13,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (816)] Waiting until timeout for monitored process [2024-11-08 23:05:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:15,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:15,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:15,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:15,536 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:15,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (816)] Ended with exit code 0 [2024-11-08 23:05:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:15,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:15,560 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:15,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:15,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:15,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:15,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:15,561 INFO L229 MonitoredProcess]: Starting monitored process 817 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:15,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (817)] Waiting until timeout for monitored process [2024-11-08 23:05:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:17,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:17,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:17,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:17,271 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:17,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (817)] Ended with exit code 0 [2024-11-08 23:05:17,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:17,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:17,294 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:17,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:17,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:17,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:17,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:17,295 INFO L229 MonitoredProcess]: Starting monitored process 818 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:17,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (818)] Waiting until timeout for monitored process [2024-11-08 23:05:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:18,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:18,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:18,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:19,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:19,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (818)] Ended with exit code 0 [2024-11-08 23:05:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:19,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:19,026 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:19,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:19,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:19,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:19,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:19,029 INFO L229 MonitoredProcess]: Starting monitored process 819 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:19,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (819)] Waiting until timeout for monitored process [2024-11-08 23:05:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:20,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:20,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:20,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:20,760 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:20,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (819)] Ended with exit code 0 [2024-11-08 23:05:20,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:20,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:20,786 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:20,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:20,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:20,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:20,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:20,787 INFO L229 MonitoredProcess]: Starting monitored process 820 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:20,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (820)] Waiting until timeout for monitored process [2024-11-08 23:05:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:22,465 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:22,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:22,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:22,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:22,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (820)] Ended with exit code 0 [2024-11-08 23:05:22,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:22,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:22,525 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:22,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:22,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:22,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:22,528 INFO L229 MonitoredProcess]: Starting monitored process 821 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:22,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (821)] Waiting until timeout for monitored process [2024-11-08 23:05:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:24,404 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:24,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:24,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:24,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (821)] Ended with exit code 0 [2024-11-08 23:05:24,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:24,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:24,480 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:24,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:24,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:24,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:24,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:24,483 INFO L229 MonitoredProcess]: Starting monitored process 822 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:24,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (822)] Waiting until timeout for monitored process [2024-11-08 23:05:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:26,196 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:26,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:26,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:26,239 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:26,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (822)] Forceful destruction successful, exit code 0 [2024-11-08 23:05:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:26,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:26,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:26,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:26,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:26,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:26,266 INFO L229 MonitoredProcess]: Starting monitored process 823 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:26,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (823)] Waiting until timeout for monitored process [2024-11-08 23:05:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:27,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:27,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:27,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:27,993 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:28,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (823)] Forceful destruction successful, exit code 0 [2024-11-08 23:05:28,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:28,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:28,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:28,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:28,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:28,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:28,018 INFO L229 MonitoredProcess]: Starting monitored process 824 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:28,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (824)] Waiting until timeout for monitored process [2024-11-08 23:05:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:29,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:29,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:29,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:29,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:29,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (824)] Forceful destruction successful, exit code 0 [2024-11-08 23:05:29,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:29,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:29,759 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:29,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:29,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:29,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:29,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:29,760 INFO L229 MonitoredProcess]: Starting monitored process 825 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:29,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (825)] Waiting until timeout for monitored process [2024-11-08 23:05:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:31,445 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:31,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:31,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:31,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (825)] Ended with exit code 0 [2024-11-08 23:05:31,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:31,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:31,508 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:31,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:31,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:31,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:31,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:31,509 INFO L229 MonitoredProcess]: Starting monitored process 826 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:31,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (826)] Waiting until timeout for monitored process [2024-11-08 23:05:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:33,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:33,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:33,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:33,291 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:33,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (826)] Ended with exit code 0 [2024-11-08 23:05:33,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:33,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:33,317 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:33,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:33,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:33,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:33,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:33,318 INFO L229 MonitoredProcess]: Starting monitored process 827 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:33,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (827)] Waiting until timeout for monitored process [2024-11-08 23:05:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:35,011 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:35,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:35,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:35,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (827)] Ended with exit code 0 [2024-11-08 23:05:35,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:35,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:35,070 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:35,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:35,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:35,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:35,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:35,071 INFO L229 MonitoredProcess]: Starting monitored process 828 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:35,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (828)] Waiting until timeout for monitored process [2024-11-08 23:05:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:36,762 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:36,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:36,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:36,798 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:36,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (828)] Forceful destruction successful, exit code 0 [2024-11-08 23:05:36,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:36,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:36,822 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:36,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:36,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:36,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:36,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:36,823 INFO L229 MonitoredProcess]: Starting monitored process 829 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:36,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (829)] Waiting until timeout for monitored process [2024-11-08 23:05:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:38,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:38,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:38,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:38,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:38,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (829)] Ended with exit code 0 [2024-11-08 23:05:38,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:38,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:38,579 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:38,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:38,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:38,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:38,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:38,580 INFO L229 MonitoredProcess]: Starting monitored process 830 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:38,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (830)] Waiting until timeout for monitored process [2024-11-08 23:05:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:40,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:40,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:05:40,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:40,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (830)] Forceful destruction successful, exit code 0 [2024-11-08 23:05:40,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:40,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:05:40,332 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:05:40,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:05:40,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:40,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:40,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:40,333 INFO L229 MonitoredProcess]: Starting monitored process 831 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:40,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9868c7-91ec-4957-b799-5cc80743e0e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (831)] Waiting until timeout for monitored process