./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.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_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/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_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/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_0b4424d2-d356-44e6-a7a9-a893678585b0/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 0bfc420caf514ea414f953298982e07543f1888205e2b6533af51ab5738bd69c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:42:03,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:42:03,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:42:03,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:42:03,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:42:03,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:42:03,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:42:03,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:42:03,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:42:03,201 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:42:03,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:42:03,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:42:03,204 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:42:03,204 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:42:03,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:42:03,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:42:03,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:42:03,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:42:03,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:42:03,210 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:42:03,211 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:42:03,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:42:03,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:42:03,212 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:42:03,212 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:42:03,213 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:42:03,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:42:03,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:42:03,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:42:03,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:42:03,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:42:03,216 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:42:03,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:42:03,217 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_0b4424d2-d356-44e6-a7a9-a893678585b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bfc420caf514ea414f953298982e07543f1888205e2b6533af51ab5738bd69c [2024-11-08 22:42:03,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:42:03,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:42:03,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:42:03,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:42:03,575 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:42:03,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c Unable to find full path for "g++" [2024-11-08 22:42:05,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:42:05,675 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:42:05,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2024-11-08 22:42:05,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/data/585095a6b/a7b0c3e1ab714750b312b60a14fa4401/FLAG40a06fc2b [2024-11-08 22:42:06,055 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/data/585095a6b/a7b0c3e1ab714750b312b60a14fa4401 [2024-11-08 22:42:06,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:42:06,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:42:06,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:42:06,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:42:06,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:42:06,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:42:06" (1/1) ... [2024-11-08 22:42:06,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aadfc68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:06, skipping insertion in model container [2024-11-08 22:42:06,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:42:06" (1/1) ... [2024-11-08 22:42:06,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:42:06,295 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_0b4424d2-d356-44e6-a7a9-a893678585b0/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[588,601] [2024-11-08 22:42:06,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:42:06,318 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:42:06,328 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_0b4424d2-d356-44e6-a7a9-a893678585b0/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[588,601] [2024-11-08 22:42:06,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:42:06,346 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:42:06,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:06 WrapperNode [2024-11-08 22:42:06,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:42:06,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:42:06,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:42:06,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:42:06,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:06" (1/1) ... [2024-11-08 22:42:06,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:06" (1/1) ... [2024-11-08 22:42:06,380 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-11-08 22:42:06,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:42:06,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:42:06,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:42:06,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:42:06,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:06" (1/1) ... [2024-11-08 22:42:06,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:06" (1/1) ... [2024-11-08 22:42:06,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:06" (1/1) ... [2024-11-08 22:42:06,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:06" (1/1) ... [2024-11-08 22:42:06,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:06" (1/1) ... [2024-11-08 22:42:06,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:06" (1/1) ... [2024-11-08 22:42:06,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:06" (1/1) ... [2024-11-08 22:42:06,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:06" (1/1) ... [2024-11-08 22:42:06,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:42:06,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:42:06,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:42:06,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:42:06,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:06" (1/1) ... [2024-11-08 22:42:06,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:42:06,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:42:06,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:42:06,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:42:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:42:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:42:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:42:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:42:06,548 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:42:06,551 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:42:06,692 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-08 22:42:06,692 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:42:06,755 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:42:06,755 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:42:06,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:42:06 BoogieIcfgContainer [2024-11-08 22:42:06,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:42:06,757 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:42:06,757 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:42:06,766 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:42:06,766 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:42:06" (1/1) ... [2024-11-08 22:42:06,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:42:06,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:06,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 22:42:06,823 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 22:42:06,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:42:06,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:06,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:06,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:06,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:06,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-08 22:42:06,978 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-08 22:42:06,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:42:06,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:06,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:07,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:07,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:07,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-08 22:42:07,590 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-08 22:42:07,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:42:07,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:07,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:42:07,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:42:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:42:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:42:07,698 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:42:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:42:07,718 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-08 22:42:07,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:42:07 ImpRootNode [2024-11-08 22:42:07,747 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:42:07,748 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:42:07,748 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:42:07,749 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:42:07,750 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:42:06" (3/4) ... [2024-11-08 22:42:07,753 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:42:07,754 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:42:07,755 INFO L158 Benchmark]: Toolchain (without parser) took 1695.51ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 60.3MB in the beginning and 79.8MB in the end (delta: -19.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-08 22:42:07,756 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:42:07,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.22ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 60.2MB in the beginning and 117.2MB in the end (delta: -57.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-08 22:42:07,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.24ms. Allocated memory is still 153.1MB. Free memory was 117.2MB in the beginning and 115.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:42:07,759 INFO L158 Benchmark]: Boogie Preprocessor took 20.82ms. Allocated memory is still 153.1MB. Free memory was 115.8MB in the beginning and 115.1MB in the end (delta: 765.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:42:07,760 INFO L158 Benchmark]: RCFGBuilder took 353.28ms. Allocated memory is still 153.1MB. Free memory was 115.1MB in the beginning and 118.4MB in the end (delta: -3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 22:42:07,761 INFO L158 Benchmark]: CodeCheck took 990.17ms. Allocated memory is still 153.1MB. Free memory was 118.4MB in the beginning and 80.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 22:42:07,762 INFO L158 Benchmark]: Witness Printer took 6.43ms. Allocated memory is still 153.1MB. Free memory was 80.6MB in the beginning and 79.8MB in the end (delta: 856.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:42:07,767 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 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 16 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 14]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 23. Possible FailurePath: [L19] unsigned int x = 5; VAL [x=5] [L20] COND TRUE __VERIFIER_nondet_int() [L21] x += 8 VAL [x=13] [L20] COND FALSE !(__VERIFIER_nondet_int()) [L23] EXPR x & 5 [L23] CALL __VERIFIER_assert((x & 5) == 5) [L13] COND TRUE !(cond) [L14] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.22ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 60.2MB in the beginning and 117.2MB in the end (delta: -57.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.24ms. Allocated memory is still 153.1MB. Free memory was 117.2MB in the beginning and 115.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.82ms. Allocated memory is still 153.1MB. Free memory was 115.8MB in the beginning and 115.1MB in the end (delta: 765.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.28ms. Allocated memory is still 153.1MB. Free memory was 115.1MB in the beginning and 118.4MB in the end (delta: -3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 990.17ms. Allocated memory is still 153.1MB. Free memory was 118.4MB in the beginning and 80.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 6.43ms. Allocated memory is still 153.1MB. Free memory was 80.6MB in the beginning and 79.8MB in the end (delta: 856.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:42:07,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/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_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/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_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/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_0b4424d2-d356-44e6-a7a9-a893678585b0/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 0bfc420caf514ea414f953298982e07543f1888205e2b6533af51ab5738bd69c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:42:10,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:42:10,336 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:42:10,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:42:10,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:42:10,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:42:10,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:42:10,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:42:10,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:42:10,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:42:10,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:42:10,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:42:10,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:42:10,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:42:10,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:42:10,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:42:10,392 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:42:10,393 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:42:10,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:42:10,393 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:42:10,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:42:10,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:42:10,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:42:10,395 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:42:10,395 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:42:10,395 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:42:10,396 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:10,396 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:42:10,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:42:10,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:42:10,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:42:10,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:42:10,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:42:10,398 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:42:10,400 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:10,401 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:42:10,401 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_0b4424d2-d356-44e6-a7a9-a893678585b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bfc420caf514ea414f953298982e07543f1888205e2b6533af51ab5738bd69c [2024-11-08 22:42:10,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:42:10,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:42:10,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:42:10,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:42:10,848 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:42:10,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c Unable to find full path for "g++" [2024-11-08 22:42:13,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:42:13,275 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:42:13,276 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2024-11-08 22:42:13,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/data/0bc673259/3697f8a602654166b2b6273e5e028706/FLAGa65378d82 [2024-11-08 22:42:13,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/data/0bc673259/3697f8a602654166b2b6273e5e028706 [2024-11-08 22:42:13,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:42:13,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:42:13,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:42:13,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:42:13,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:42:13,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:42:13" (1/1) ... [2024-11-08 22:42:13,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7c27fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:13, skipping insertion in model container [2024-11-08 22:42:13,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:42:13" (1/1) ... [2024-11-08 22:42:13,326 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:42:13,554 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_0b4424d2-d356-44e6-a7a9-a893678585b0/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[588,601] [2024-11-08 22:42:13,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:42:13,586 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:42:13,600 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_0b4424d2-d356-44e6-a7a9-a893678585b0/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[588,601] [2024-11-08 22:42:13,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:42:13,642 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:42:13,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:13 WrapperNode [2024-11-08 22:42:13,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:42:13,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:42:13,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:42:13,647 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:42:13,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:13" (1/1) ... [2024-11-08 22:42:13,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:13" (1/1) ... [2024-11-08 22:42:13,720 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2024-11-08 22:42:13,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:42:13,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:42:13,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:42:13,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:42:13,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:13" (1/1) ... [2024-11-08 22:42:13,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:13" (1/1) ... [2024-11-08 22:42:13,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:13" (1/1) ... [2024-11-08 22:42:13,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:13" (1/1) ... [2024-11-08 22:42:13,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:13" (1/1) ... [2024-11-08 22:42:13,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:13" (1/1) ... [2024-11-08 22:42:13,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:13" (1/1) ... [2024-11-08 22:42:13,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:13" (1/1) ... [2024-11-08 22:42:13,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:42:13,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:42:13,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:42:13,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:42:13,767 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:13" (1/1) ... [2024-11-08 22:42:13,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:42:13,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:42:13,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:42:13,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:42:13,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:42:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:42:13,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:42:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:42:13,928 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:42:13,931 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:42:14,096 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 22:42:14,096 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:42:14,158 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:42:14,159 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:42:14,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:42:14 BoogieIcfgContainer [2024-11-08 22:42:14,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:42:14,160 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:42:14,161 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:42:14,172 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:42:14,173 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:42:14" (1/1) ... [2024-11-08 22:42:14,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:42:14,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:14,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 22:42:14,242 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 22:42:14,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:42:14,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:14,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:14,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:14,249 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:14,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:42:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:14,325 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:14,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:42:14,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:14,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:14,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:14,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:14,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-08 22:42:14,394 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-08 22:42:14,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:42:14,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:14,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:14,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:14,399 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:14,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:42:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:14,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:14,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:42:14,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:14,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:14,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:42:14,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:14,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-08 22:42:14,666 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-08 22:42:14,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:42:14,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:14,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:14,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:14,669 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:14,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:42:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:14,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:14,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:42:14,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:14,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:14,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:42:14,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:14,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-08 22:42:14,890 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-08 22:42:14,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:42:14,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:14,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:14,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:14,894 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:14,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:42:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:14,969 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:14,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:42:14,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:15,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:15,039 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:42:15,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:42:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:15,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-08 22:42:15,160 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-08 22:42:15,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:42:15,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:15,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:15,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:15,164 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:15,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:42:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:15,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:15,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:42:15,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:15,331 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:15,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:42:15,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:15,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-11-08 22:42:15,469 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-08 22:42:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:42:15,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:15,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:15,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:15,472 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:15,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:42:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:15,545 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:15,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:42:15,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:15,651 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:15,655 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:42:15,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 22:42:15,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:15,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2024-11-08 22:42:15,797 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-08 22:42:15,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:42:15,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:15,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:15,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:15,804 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:15,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:42:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:15,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:15,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:42:15,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:15,986 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:15,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:42:16,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:16,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-08 22:42:16,153 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-08 22:42:16,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:42:16,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:16,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:16,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:16,158 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:16,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:42:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:16,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:16,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:42:16,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:16,344 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:16,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 22:42:16,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:16,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2024-11-08 22:42:16,521 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2024-11-08 22:42:16,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:42:16,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:16,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:16,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:16,525 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:16,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:42:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:16,613 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:16,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:42:16,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:16,737 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:16,739 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:42:16,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 22:42:16,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:16,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-11-08 22:42:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-08 22:42:16,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:42:16,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:16,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:16,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:16,957 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:16,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:42:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:17,038 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:17,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:42:17,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:17,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 22:42:17,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:17,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2024-11-08 22:42:17,394 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2024-11-08 22:42:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:42:17,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:17,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:17,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:17,398 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:17,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:42:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:17,477 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:17,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:42:17,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:17,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 22:42:17,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:17,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2024-11-08 22:42:17,820 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2024-11-08 22:42:17,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:42:17,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:17,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:17,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:17,830 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:17,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:42:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:17,893 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:17,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:42:17,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:18,040 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:18,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 22:42:18,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:18,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2024-11-08 22:42:18,295 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2024-11-08 22:42:18,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:42:18,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:18,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:18,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:18,299 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:18,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 22:42:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:18,381 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:18,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:42:18,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:18,527 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:18,529 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:42:18,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-08 22:42:18,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:18,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2024-11-08 22:42:18,795 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2024-11-08 22:42:18,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:42:18,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:18,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:18,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:18,799 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:18,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 22:42:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:18,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:18,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:42:18,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:19,033 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:19,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 22:42:19,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:19,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2024-11-08 22:42:19,329 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2024-11-08 22:42:19,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:42:19,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:19,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:19,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:19,333 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:19,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 22:42:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:19,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:19,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:42:19,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:19,587 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:19,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-08 22:42:19,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:19,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2024-11-08 22:42:19,918 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2024-11-08 22:42:19,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:42:19,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:19,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:19,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:19,921 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:19,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 22:42:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:20,011 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:20,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:42:20,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:20,179 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:20,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:20,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:20,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2024-11-08 22:42:20,536 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2024-11-08 22:42:20,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-08 22:42:20,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:20,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:20,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:20,541 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:20,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 22:42:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:20,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:20,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 22:42:20,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:20,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-08 22:42:21,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:21,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 76 transitions. [2024-11-08 22:42:21,160 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2024-11-08 22:42:21,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 22:42:21,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:21,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:21,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:21,168 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:21,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 22:42:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:21,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:21,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:42:21,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:21,448 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:21,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-08 22:42:21,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:21,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2024-11-08 22:42:21,837 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2024-11-08 22:42:21,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 22:42:21,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:21,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:21,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:21,843 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:21,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 22:42:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:21,921 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:21,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 22:42:21,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:22,155 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:22,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-08 22:42:22,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:22,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2024-11-08 22:42:22,559 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2024-11-08 22:42:22,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 22:42:22,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:22,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:22,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:22,562 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:22,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 22:42:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:22,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:22,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:42:22,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:22,963 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:22,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:23,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:23,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2024-11-08 22:42:23,447 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2024-11-08 22:42:23,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 22:42:23,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:23,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:23,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:23,451 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:23,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 22:42:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:23,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:23,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 22:42:23,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:23,772 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:23,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:24,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:24,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2024-11-08 22:42:24,208 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2024-11-08 22:42:24,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 22:42:24,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:24,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:24,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:24,215 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:24,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 22:42:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:24,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:24,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 22:42:24,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:24,515 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:24,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:24,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:24,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2024-11-08 22:42:24,985 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2024-11-08 22:42:24,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 22:42:24,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:24,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:24,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:24,990 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:24,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 22:42:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:25,083 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:25,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 22:42:25,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:25,287 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:25,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:25,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2024-11-08 22:42:25,791 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2024-11-08 22:42:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:42:25,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:25,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:25,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:25,793 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:25,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 22:42:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:25,899 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:25,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 22:42:25,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:26,161 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:26,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:26,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:26,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 79 states and 104 transitions. [2024-11-08 22:42:26,699 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 104 transitions. [2024-11-08 22:42:26,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 22:42:26,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:26,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:26,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:26,703 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:26,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 22:42:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:26,791 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:26,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:42:26,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:27,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-08 22:42:27,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:27,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 82 states and 108 transitions. [2024-11-08 22:42:27,612 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 108 transitions. [2024-11-08 22:42:27,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 22:42:27,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:27,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:27,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:27,615 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:27,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 22:42:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:27,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:27,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 22:42:27,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:27,990 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:27,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:28,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:28,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 85 states and 112 transitions. [2024-11-08 22:42:28,560 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2024-11-08 22:42:28,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 22:42:28,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:28,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:28,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:28,561 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:28,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 22:42:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:28,650 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:28,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 22:42:28,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:28,879 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:28,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:29,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:29,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 88 states and 116 transitions. [2024-11-08 22:42:29,528 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2024-11-08 22:42:29,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-08 22:42:29,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:29,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:29,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:29,530 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:29,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 22:42:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:29,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:29,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 22:42:29,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:29,918 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:29,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-08 22:42:30,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:30,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 91 states and 120 transitions. [2024-11-08 22:42:30,570 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 120 transitions. [2024-11-08 22:42:30,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-08 22:42:30,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:30,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:30,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:30,574 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:30,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 22:42:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:30,694 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:30,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 22:42:30,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:30,980 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:30,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-08 22:42:31,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:31,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 94 states and 124 transitions. [2024-11-08 22:42:31,629 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 124 transitions. [2024-11-08 22:42:31,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 22:42:31,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:31,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:31,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:31,634 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:31,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 22:42:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:31,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:31,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 22:42:31,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:32,016 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:32,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:32,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:32,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 97 states and 128 transitions. [2024-11-08 22:42:32,767 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 128 transitions. [2024-11-08 22:42:32,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-08 22:42:32,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:32,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:32,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:32,772 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:32,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 22:42:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:32,884 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:32,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 22:42:32,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:33,158 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:33,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:33,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:33,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 100 states and 132 transitions. [2024-11-08 22:42:33,874 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 132 transitions. [2024-11-08 22:42:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-08 22:42:33,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:33,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:33,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:33,876 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:33,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 22:42:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:33,978 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:34,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 22:42:34,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:34,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:35,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 103 states and 136 transitions. [2024-11-08 22:42:35,004 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 136 transitions. [2024-11-08 22:42:35,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 22:42:35,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:35,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:35,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:35,007 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:35,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 22:42:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:35,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:35,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 22:42:35,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:35,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:36,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:36,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 106 states and 140 transitions. [2024-11-08 22:42:36,263 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 140 transitions. [2024-11-08 22:42:36,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-08 22:42:36,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:36,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:36,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:36,266 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:36,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 22:42:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:36,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:36,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-08 22:42:36,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:36,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:36,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:37,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:37,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 109 states and 144 transitions. [2024-11-08 22:42:37,595 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 144 transitions. [2024-11-08 22:42:37,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 22:42:37,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:37,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:37,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:37,596 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:37,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 22:42:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:37,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:37,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 22:42:37,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:38,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:38,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-08 22:42:39,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:39,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 112 states and 148 transitions. [2024-11-08 22:42:39,016 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 148 transitions. [2024-11-08 22:42:39,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 22:42:39,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:39,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:39,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:39,020 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:39,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 22:42:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:39,127 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:39,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 22:42:39,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:39,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:39,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:40,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 115 states and 152 transitions. [2024-11-08 22:42:40,356 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 152 transitions. [2024-11-08 22:42:40,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-08 22:42:40,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:40,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:40,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:40,357 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:40,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 22:42:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:40,465 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:40,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 22:42:40,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:40,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:40,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:41,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:41,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 118 states and 156 transitions. [2024-11-08 22:42:41,677 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2024-11-08 22:42:41,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-08 22:42:41,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:41,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:41,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:41,680 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:41,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 22:42:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:41,790 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:41,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 22:42:41,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:42,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:42,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:43,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:43,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 121 states and 160 transitions. [2024-11-08 22:42:43,185 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 160 transitions. [2024-11-08 22:42:43,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 22:42:43,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:43,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:43,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:43,186 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:43,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 22:42:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:43,327 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:43,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 22:42:43,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:43,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:43,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:44,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:44,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 124 states and 164 transitions. [2024-11-08 22:42:44,614 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 164 transitions. [2024-11-08 22:42:44,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 22:42:44,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:44,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:44,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:44,617 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:44,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 22:42:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:44,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:44,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 22:42:44,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:45,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:45,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:46,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:46,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 127 states and 168 transitions. [2024-11-08 22:42:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 168 transitions. [2024-11-08 22:42:46,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 22:42:46,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:46,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:46,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:46,118 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:46,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 22:42:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:46,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:46,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-08 22:42:46,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:46,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:47,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:47,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 130 states and 172 transitions. [2024-11-08 22:42:47,741 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 172 transitions. [2024-11-08 22:42:47,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 22:42:47,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:47,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:47,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:47,744 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:47,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 22:42:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:47,910 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:47,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 22:42:47,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:48,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:49,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:49,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 133 states and 176 transitions. [2024-11-08 22:42:49,412 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 176 transitions. [2024-11-08 22:42:49,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 22:42:49,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:49,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:49,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:49,414 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:49,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 22:42:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:49,546 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:49,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-08 22:42:49,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:49,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-08 22:42:51,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:51,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 136 states and 180 transitions. [2024-11-08 22:42:51,153 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 180 transitions. [2024-11-08 22:42:51,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 22:42:51,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:51,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:51,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:51,159 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:51,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-08 22:42:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:51,352 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:51,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-08 22:42:51,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:51,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:51,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-08 22:42:53,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:53,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 139 states and 184 transitions. [2024-11-08 22:42:53,139 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 184 transitions. [2024-11-08 22:42:53,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 22:42:53,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:53,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:53,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:53,143 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:53,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-08 22:42:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:53,271 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:53,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-08 22:42:53,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:53,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:53,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:54,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:54,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 142 states and 188 transitions. [2024-11-08 22:42:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 188 transitions. [2024-11-08 22:42:54,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 22:42:54,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:54,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:54,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:54,925 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:54,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-08 22:42:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:55,091 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:55,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-08 22:42:55,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:55,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:56,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 145 states and 192 transitions. [2024-11-08 22:42:56,782 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 192 transitions. [2024-11-08 22:42:56,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 22:42:56,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:56,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:56,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:56,783 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:56,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-08 22:42:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:56,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:56,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-08 22:42:56,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:57,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:57,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:58,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:58,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 148 states and 196 transitions. [2024-11-08 22:42:58,768 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 196 transitions. [2024-11-08 22:42:58,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 22:42:58,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:58,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:58,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:58,772 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:58,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-08 22:42:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:58,917 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:58,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-08 22:42:58,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:59,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:59,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 151 states and 200 transitions. [2024-11-08 22:43:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 200 transitions. [2024-11-08 22:43:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 22:43:00,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:00,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:00,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:00,871 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:00,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-08 22:43:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:01,014 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:01,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-08 22:43:01,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:01,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:01,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:02,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 154 states and 204 transitions. [2024-11-08 22:43:02,960 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 204 transitions. [2024-11-08 22:43:02,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 22:43:02,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:02,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:02,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:02,966 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:02,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-08 22:43:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:03,169 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:03,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-08 22:43:03,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:03,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:03,765 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:43:03,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-08 22:43:05,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:05,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 157 states and 208 transitions. [2024-11-08 22:43:05,569 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 208 transitions. [2024-11-08 22:43:05,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 22:43:05,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:05,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:05,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:05,572 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:05,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-08 22:43:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:05,735 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:05,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-08 22:43:05,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:06,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:06,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:07,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:07,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 160 states and 212 transitions. [2024-11-08 22:43:07,825 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 212 transitions. [2024-11-08 22:43:07,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 22:43:07,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:07,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:07,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:07,826 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:07,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-08 22:43:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:07,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:08,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-08 22:43:08,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:08,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:08,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:10,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:10,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 163 states and 216 transitions. [2024-11-08 22:43:10,412 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 216 transitions. [2024-11-08 22:43:10,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 22:43:10,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:10,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:10,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:10,415 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:10,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-08 22:43:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:10,592 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:10,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-08 22:43:10,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:11,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:11,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:12,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:12,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 166 states and 220 transitions. [2024-11-08 22:43:12,892 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 220 transitions. [2024-11-08 22:43:12,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 22:43:12,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:12,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:12,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:12,898 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:12,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-08 22:43:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:13,088 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:13,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-08 22:43:13,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:13,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:13,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-08 22:43:15,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:15,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 169 states and 224 transitions. [2024-11-08 22:43:15,334 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 224 transitions. [2024-11-08 22:43:15,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-08 22:43:15,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:15,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:15,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:15,338 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:15,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-08 22:43:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:15,521 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:15,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-08 22:43:15,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:16,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:16,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:17,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:17,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 172 states and 228 transitions. [2024-11-08 22:43:17,849 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 228 transitions. [2024-11-08 22:43:17,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-08 22:43:17,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:17,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:17,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:17,850 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:17,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-08 22:43:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:18,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:18,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-08 22:43:18,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:18,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:18,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:21,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:21,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 175 states and 232 transitions. [2024-11-08 22:43:21,001 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2024-11-08 22:43:21,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-08 22:43:21,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:21,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:21,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:21,008 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:21,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-08 22:43:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:21,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:21,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-08 22:43:21,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:21,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:21,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:24,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 178 states and 236 transitions. [2024-11-08 22:43:24,334 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 236 transitions. [2024-11-08 22:43:24,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-08 22:43:24,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:24,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:24,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:24,337 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:24,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-08 22:43:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:24,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:24,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-08 22:43:24,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:25,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:27,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:27,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 181 states and 240 transitions. [2024-11-08 22:43:27,127 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 240 transitions. [2024-11-08 22:43:27,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-08 22:43:27,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:27,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:27,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:27,131 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:27,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-08 22:43:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:27,338 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:27,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-08 22:43:27,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:27,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:30,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:30,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 184 states and 244 transitions. [2024-11-08 22:43:30,090 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 244 transitions. [2024-11-08 22:43:30,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-08 22:43:30,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:30,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:30,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:30,094 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:30,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-08 22:43:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:30,349 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:30,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-08 22:43:30,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:31,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:33,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:33,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 187 states and 248 transitions. [2024-11-08 22:43:33,140 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 248 transitions. [2024-11-08 22:43:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-08 22:43:33,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:33,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:33,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:33,143 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:33,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-08 22:43:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:33,345 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:33,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-08 22:43:33,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:34,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:34,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-08 22:43:36,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:36,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 190 states and 252 transitions. [2024-11-08 22:43:36,398 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 252 transitions. [2024-11-08 22:43:36,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 22:43:36,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:36,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:36,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:36,400 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:36,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-08 22:43:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:36,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:36,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-08 22:43:36,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:37,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:37,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-08 22:43:39,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:39,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 193 states and 256 transitions. [2024-11-08 22:43:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 256 transitions. [2024-11-08 22:43:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 22:43:39,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:39,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:39,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:39,257 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:39,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-08 22:43:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:39,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:39,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-08 22:43:39,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:40,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:40,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-08 22:43:42,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:42,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 196 states and 260 transitions. [2024-11-08 22:43:42,335 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 260 transitions. [2024-11-08 22:43:42,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 22:43:42,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:42,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:42,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:42,341 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:42,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-08 22:43:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:42,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:42,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-08 22:43:42,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:43,375 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:43,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:45,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:45,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 199 states and 264 transitions. [2024-11-08 22:43:45,726 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 264 transitions. [2024-11-08 22:43:45,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 22:43:45,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:45,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:45,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:45,730 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:45,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-08 22:43:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:45,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:45,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-08 22:43:45,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:46,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:46,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:49,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:49,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 202 states and 268 transitions. [2024-11-08 22:43:49,048 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 268 transitions. [2024-11-08 22:43:49,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 22:43:49,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:49,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:49,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:49,052 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:49,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-08 22:43:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:49,299 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:49,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-08 22:43:49,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:50,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:50,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-08 22:43:52,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:52,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 205 states and 272 transitions. [2024-11-08 22:43:52,408 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 272 transitions. [2024-11-08 22:43:52,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 22:43:52,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:52,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:52,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:52,410 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:52,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-08 22:43:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:52,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:52,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-08 22:43:52,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:53,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:53,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-08 22:43:55,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:55,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 208 states and 276 transitions. [2024-11-08 22:43:55,914 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 276 transitions. [2024-11-08 22:43:55,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 22:43:55,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:55,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:55,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:55,917 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:55,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-08 22:43:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:56,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:56,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-08 22:43:56,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:56,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:56,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:59,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:59,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 211 states and 280 transitions. [2024-11-08 22:43:59,369 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 280 transitions. [2024-11-08 22:43:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 22:43:59,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:59,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:59,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:59,371 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:59,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-08 22:43:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:59,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:59,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-08 22:43:59,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:00,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:00,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-08 22:44:02,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:02,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 214 states and 284 transitions. [2024-11-08 22:44:02,977 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 284 transitions. [2024-11-08 22:44:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 22:44:02,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:02,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:02,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:02,980 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:02,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-08 22:44:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:03,189 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:03,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-11-08 22:44:03,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:03,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-08 22:44:06,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:06,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 217 states and 288 transitions. [2024-11-08 22:44:06,397 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2024-11-08 22:44:06,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-08 22:44:06,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:06,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:06,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:06,404 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:06,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-08 22:44:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:06,618 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:06,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-11-08 22:44:06,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:07,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:07,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:09,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:09,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 220 states and 292 transitions. [2024-11-08 22:44:09,962 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 292 transitions. [2024-11-08 22:44:09,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-08 22:44:09,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:09,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:09,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:09,967 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:09,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-08 22:44:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:10,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:10,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-08 22:44:10,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:10,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:10,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-08 22:44:13,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:13,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 223 states and 296 transitions. [2024-11-08 22:44:13,649 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 296 transitions. [2024-11-08 22:44:13,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 22:44:13,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:13,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:13,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:13,651 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:13,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-08 22:44:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:13,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:13,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-08 22:44:13,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:14,678 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:14,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:17,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 226 states and 300 transitions. [2024-11-08 22:44:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 300 transitions. [2024-11-08 22:44:17,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 22:44:17,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:17,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:17,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:17,428 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:17,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-08 22:44:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:17,684 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:17,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-08 22:44:17,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:18,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-08 22:44:21,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:21,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 229 states and 304 transitions. [2024-11-08 22:44:21,525 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 304 transitions. [2024-11-08 22:44:21,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-08 22:44:21,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:21,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:21,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:21,528 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:21,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-08 22:44:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:21,745 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:21,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-08 22:44:21,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:22,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:22,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:25,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:25,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 232 states and 308 transitions. [2024-11-08 22:44:25,403 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 308 transitions. [2024-11-08 22:44:25,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-08 22:44:25,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:25,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:25,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:25,406 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:25,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-08 22:44:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:25,635 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:25,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-08 22:44:25,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:26,388 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:26,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:29,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:29,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 235 states and 312 transitions. [2024-11-08 22:44:29,248 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 312 transitions. [2024-11-08 22:44:29,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-08 22:44:29,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:29,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:29,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:29,250 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:29,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-08 22:44:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:29,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:29,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-11-08 22:44:29,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:30,232 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:30,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:33,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:33,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 238 states and 316 transitions. [2024-11-08 22:44:33,215 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 316 transitions. [2024-11-08 22:44:33,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 22:44:33,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:33,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:33,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:33,217 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:33,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-08 22:44:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:33,442 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:33,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-11-08 22:44:33,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:34,193 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:34,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-08 22:44:37,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:37,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 241 states and 320 transitions. [2024-11-08 22:44:37,200 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 320 transitions. [2024-11-08 22:44:37,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 22:44:37,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:37,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:37,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:37,202 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:37,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-08 22:44:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:37,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:37,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-08 22:44:37,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:38,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:38,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-08 22:44:41,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:41,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 244 states and 324 transitions. [2024-11-08 22:44:41,343 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 324 transitions. [2024-11-08 22:44:41,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 22:44:41,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:41,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:41,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:41,347 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:41,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-08 22:44:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:41,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:41,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-08 22:44:41,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:42,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:42,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:45,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:45,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 247 states and 328 transitions. [2024-11-08 22:44:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 328 transitions. [2024-11-08 22:44:45,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 22:44:45,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:45,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:45,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:45,555 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:45,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-08 22:44:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:45,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:45,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-08 22:44:45,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:46,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-08 22:44:49,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:49,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 250 states and 332 transitions. [2024-11-08 22:44:49,722 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 332 transitions. [2024-11-08 22:44:49,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-08 22:44:49,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:49,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:49,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:49,726 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:49,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-08 22:44:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:49,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:50,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-08 22:44:50,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:50,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-08 22:44:54,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:54,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 253 states and 336 transitions. [2024-11-08 22:44:54,043 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 336 transitions. [2024-11-08 22:44:54,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-08 22:44:54,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:54,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:54,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:54,048 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:54,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-08 22:44:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:54,305 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:54,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-11-08 22:44:54,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:55,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:55,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:58,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:58,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 256 states and 340 transitions. [2024-11-08 22:44:58,590 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 340 transitions. [2024-11-08 22:44:58,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-08 22:44:58,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:58,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:58,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:58,592 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:58,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-08 22:44:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:58,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:58,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-11-08 22:44:58,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:59,800 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:59,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-08 22:45:03,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:03,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 259 states and 344 transitions. [2024-11-08 22:45:03,434 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 344 transitions. [2024-11-08 22:45:03,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-08 22:45:03,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:03,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:03,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:03,438 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:03,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-08 22:45:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:03,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:03,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-08 22:45:03,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:04,659 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:04,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-08 22:45:08,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:08,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 262 states and 348 transitions. [2024-11-08 22:45:08,287 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 348 transitions. [2024-11-08 22:45:08,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 22:45:08,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:08,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:08,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:08,288 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:08,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-08 22:45:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:08,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:08,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-11-08 22:45:08,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:09,456 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:09,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-11-08 22:45:13,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:13,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 265 states and 352 transitions. [2024-11-08 22:45:13,473 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 352 transitions. [2024-11-08 22:45:13,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-08 22:45:13,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:13,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:13,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:13,474 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:13,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-08 22:45:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:13,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:13,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-11-08 22:45:13,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:14,626 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:14,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-08 22:45:18,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:18,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 268 states and 356 transitions. [2024-11-08 22:45:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 356 transitions. [2024-11-08 22:45:18,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-08 22:45:18,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:18,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:18,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:18,287 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:18,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-08 22:45:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:18,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:18,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-08 22:45:18,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:19,496 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:19,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-08 22:45:23,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:23,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 271 states and 360 transitions. [2024-11-08 22:45:23,326 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 360 transitions. [2024-11-08 22:45:23,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-08 22:45:23,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:23,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:23,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:23,327 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:23,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-08 22:45:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:23,576 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:23,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-08 22:45:23,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:24,533 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:24,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-08 22:45:28,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:28,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 274 states and 364 transitions. [2024-11-08 22:45:28,366 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 364 transitions. [2024-11-08 22:45:28,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-08 22:45:28,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:28,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:28,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:28,367 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:28,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-08 22:45:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:28,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:28,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-11-08 22:45:28,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:29,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-08 22:45:34,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:34,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 277 states and 368 transitions. [2024-11-08 22:45:34,080 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 368 transitions. [2024-11-08 22:45:34,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-08 22:45:34,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:34,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:34,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:34,081 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:34,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-08 22:45:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:34,353 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:34,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-11-08 22:45:34,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:35,319 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:35,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-08 22:45:39,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:39,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 280 states and 372 transitions. [2024-11-08 22:45:39,283 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 372 transitions. [2024-11-08 22:45:39,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-08 22:45:39,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:39,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:39,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:39,286 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:39,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-08 22:45:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:39,563 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:39,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 94 conjuncts are in the unsatisfiable core [2024-11-08 22:45:39,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:40,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-08 22:45:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:44,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 283 states and 376 transitions. [2024-11-08 22:45:44,998 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 376 transitions. [2024-11-08 22:45:44,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-08 22:45:44,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:44,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:44,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:44,999 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:45,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-08 22:45:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:45,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:45,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-08 22:45:45,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:46,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-08 22:45:50,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:50,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 286 states and 380 transitions. [2024-11-08 22:45:50,980 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 380 transitions. [2024-11-08 22:45:50,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-08 22:45:50,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:50,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:50,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:50,982 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:50,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-08 22:45:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:51,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:51,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-08 22:45:51,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:52,428 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:52,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-08 22:45:57,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:57,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 289 states and 384 transitions. [2024-11-08 22:45:57,284 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 384 transitions. [2024-11-08 22:45:57,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-08 22:45:57,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:57,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:57,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:57,286 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:57,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-08 22:45:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:57,590 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:57,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-08 22:45:57,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:58,821 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:58,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-08 22:46:03,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:03,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 292 states and 388 transitions. [2024-11-08 22:46:03,770 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 388 transitions. [2024-11-08 22:46:03,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-08 22:46:03,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:03,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:03,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:03,771 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:03,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-08 22:46:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:04,024 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:04,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-11-08 22:46:04,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:05,002 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:46:05,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:09,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:09,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 295 states and 392 transitions. [2024-11-08 22:46:09,260 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 392 transitions. [2024-11-08 22:46:09,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-08 22:46:09,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:09,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:09,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:09,262 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:09,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-08 22:46:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:09,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:09,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-11-08 22:46:09,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:46:10,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-11-08 22:46:14,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 298 states and 396 transitions. [2024-11-08 22:46:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 396 transitions. [2024-11-08 22:46:14,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-08 22:46:14,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:14,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:14,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:14,970 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:14,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-08 22:46:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:15,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:15,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-08 22:46:15,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:46:16,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-08 22:46:20,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 301 states and 400 transitions. [2024-11-08 22:46:20,583 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 400 transitions. [2024-11-08 22:46:20,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-08 22:46:20,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:20,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:20,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:20,584 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:20,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-08 22:46:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:20,841 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:20,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-11-08 22:46:20,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:21,866 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:46:21,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-08 22:46:26,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:26,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 304 states and 404 transitions. [2024-11-08 22:46:26,359 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 404 transitions. [2024-11-08 22:46:26,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-08 22:46:26,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:26,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:26,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:26,363 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:26,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-08 22:46:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:26,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:26,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-11-08 22:46:26,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:46:27,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-08 22:46:32,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:32,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 307 states and 408 transitions. [2024-11-08 22:46:32,194 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 408 transitions. [2024-11-08 22:46:32,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-08 22:46:32,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:32,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:32,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:32,195 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:32,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-08 22:46:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:32,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:32,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 103 conjuncts are in the unsatisfiable core [2024-11-08 22:46:32,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:46:33,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-08 22:46:38,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:38,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 310 states and 412 transitions. [2024-11-08 22:46:38,319 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 412 transitions. [2024-11-08 22:46:38,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-08 22:46:38,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:38,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:38,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:38,321 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:38,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-08 22:46:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:38,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:38,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 104 conjuncts are in the unsatisfiable core [2024-11-08 22:46:38,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 10100 backedges. 0 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:46:39,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-08 22:46:44,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:44,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 313 states and 416 transitions. [2024-11-08 22:46:44,505 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 416 transitions. [2024-11-08 22:46:44,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-08 22:46:44,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:44,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:44,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:44,511 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:44,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-08 22:46:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:44,802 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:44,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-11-08 22:46:44,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 0 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:46:45,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:50,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:50,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 316 states and 420 transitions. [2024-11-08 22:46:50,625 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 420 transitions. [2024-11-08 22:46:50,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-08 22:46:50,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:50,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:50,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:50,627 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:50,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-08 22:46:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:50,900 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:50,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-11-08 22:46:50,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:52,060 INFO L134 CoverageAnalysis]: Checked inductivity of 10506 backedges. 0 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:46:52,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:56,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:56,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 319 states and 424 transitions. [2024-11-08 22:46:56,919 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 424 transitions. [2024-11-08 22:46:56,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-08 22:46:56,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:56,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:56,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:56,921 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:56,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-08 22:46:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:57,195 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:57,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 107 conjuncts are in the unsatisfiable core [2024-11-08 22:46:57,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:58,323 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 0 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:46:58,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-11-08 22:47:03,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:03,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 322 states and 428 transitions. [2024-11-08 22:47:03,227 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 428 transitions. [2024-11-08 22:47:03,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-08 22:47:03,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:03,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:03,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:03,229 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:03,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-08 22:47:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:03,507 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:03,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 108 conjuncts are in the unsatisfiable core [2024-11-08 22:47:03,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 10920 backedges. 0 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:47:04,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-08 22:47:09,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:09,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 325 states and 432 transitions. [2024-11-08 22:47:09,639 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 432 transitions. [2024-11-08 22:47:09,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-08 22:47:09,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:09,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:09,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:09,641 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:09,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-08 22:47:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:09,922 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:09,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-11-08 22:47:09,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:11,064 INFO L134 CoverageAnalysis]: Checked inductivity of 11130 backedges. 0 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:47:11,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-08 22:47:16,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:16,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 328 states and 436 transitions. [2024-11-08 22:47:16,255 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 436 transitions. [2024-11-08 22:47:16,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-08 22:47:16,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:16,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:16,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:16,258 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:16,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-08 22:47:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:16,578 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:16,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 110 conjuncts are in the unsatisfiable core [2024-11-08 22:47:16,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:17,737 INFO L134 CoverageAnalysis]: Checked inductivity of 11342 backedges. 0 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:47:17,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:22,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 331 states and 440 transitions. [2024-11-08 22:47:22,973 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 440 transitions. [2024-11-08 22:47:22,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-08 22:47:22,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:22,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:22,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:22,974 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:22,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-08 22:47:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:23,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:23,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-11-08 22:47:23,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:24,491 INFO L134 CoverageAnalysis]: Checked inductivity of 11556 backedges. 0 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:47:24,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-08 22:47:29,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:29,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 334 states and 444 transitions. [2024-11-08 22:47:29,787 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 444 transitions. [2024-11-08 22:47:29,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-08 22:47:29,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:29,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:29,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:29,789 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:29,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-08 22:47:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:30,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:30,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 112 conjuncts are in the unsatisfiable core [2024-11-08 22:47:30,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:31,289 INFO L134 CoverageAnalysis]: Checked inductivity of 11772 backedges. 0 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:47:31,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-08 22:47:36,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:36,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 337 states and 448 transitions. [2024-11-08 22:47:36,695 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 448 transitions. [2024-11-08 22:47:36,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-08 22:47:36,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:36,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:36,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:36,697 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:36,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-08 22:47:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:36,999 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:37,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 113 conjuncts are in the unsatisfiable core [2024-11-08 22:47:37,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:38,200 INFO L134 CoverageAnalysis]: Checked inductivity of 11990 backedges. 0 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:47:38,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-08 22:47:43,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:43,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 340 states and 452 transitions. [2024-11-08 22:47:43,705 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 452 transitions. [2024-11-08 22:47:43,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-08 22:47:43,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:43,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:43,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:43,706 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:43,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-08 22:47:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:44,014 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:44,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-11-08 22:47:44,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:45,237 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:47:45,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-08 22:47:50,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:50,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 343 states and 456 transitions. [2024-11-08 22:47:50,825 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 456 transitions. [2024-11-08 22:47:50,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-08 22:47:50,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:50,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:50,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:50,827 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:50,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-08 22:47:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:51,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:51,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-11-08 22:47:51,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:52,426 INFO L134 CoverageAnalysis]: Checked inductivity of 12432 backedges. 0 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:47:52,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-08 22:47:58,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:58,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 346 states and 460 transitions. [2024-11-08 22:47:58,110 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 460 transitions. [2024-11-08 22:47:58,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-08 22:47:58,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:58,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:58,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:58,112 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:58,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-08 22:47:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:58,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:58,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 116 conjuncts are in the unsatisfiable core [2024-11-08 22:47:58,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:59,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12656 backedges. 0 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:47:59,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-11-08 22:48:05,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 349 states and 464 transitions. [2024-11-08 22:48:05,522 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 464 transitions. [2024-11-08 22:48:05,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-08 22:48:05,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:05,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:05,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:05,524 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:05,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-08 22:48:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:05,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:05,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 117 conjuncts are in the unsatisfiable core [2024-11-08 22:48:05,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:48:07,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-08 22:48:12,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:12,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 352 states and 468 transitions. [2024-11-08 22:48:12,943 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 468 transitions. [2024-11-08 22:48:12,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-11-08 22:48:12,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:12,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:12,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:12,945 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:12,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-08 22:48:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:13,261 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:13,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 118 conjuncts are in the unsatisfiable core [2024-11-08 22:48:13,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:14,543 INFO L134 CoverageAnalysis]: Checked inductivity of 13110 backedges. 0 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:48:14,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-08 22:48:20,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:20,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 355 states and 472 transitions. [2024-11-08 22:48:20,411 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 472 transitions. [2024-11-08 22:48:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-11-08 22:48:20,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:20,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:20,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:20,413 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:20,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-08 22:48:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:20,762 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:20,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-11-08 22:48:20,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:22,059 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:48:22,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-08 22:48:28,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 358 states and 476 transitions. [2024-11-08 22:48:28,189 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 476 transitions. [2024-11-08 22:48:28,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-08 22:48:28,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:28,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:28,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:28,191 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:28,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-08 22:48:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:28,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:28,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 120 conjuncts are in the unsatisfiable core [2024-11-08 22:48:28,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:29,777 INFO L134 CoverageAnalysis]: Checked inductivity of 13572 backedges. 0 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:48:29,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:36,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:36,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 361 states and 480 transitions. [2024-11-08 22:48:36,113 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 480 transitions. [2024-11-08 22:48:36,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-08 22:48:36,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:36,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:36,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:36,116 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:36,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-08 22:48:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:36,454 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:36,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 121 conjuncts are in the unsatisfiable core [2024-11-08 22:48:36,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:48:37,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-11-08 22:48:44,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:44,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 364 states and 484 transitions. [2024-11-08 22:48:44,391 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 484 transitions. [2024-11-08 22:48:44,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-08 22:48:44,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:44,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:44,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:44,393 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:44,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-08 22:48:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:44,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:44,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 122 conjuncts are in the unsatisfiable core [2024-11-08 22:48:44,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:46,293 INFO L134 CoverageAnalysis]: Checked inductivity of 14042 backedges. 0 proven. 14042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:48:46,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:53,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 367 states and 488 transitions. [2024-11-08 22:48:53,086 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 488 transitions. [2024-11-08 22:48:53,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-08 22:48:53,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:53,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:53,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:53,089 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:53,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-08 22:48:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:53,509 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:53,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 123 conjuncts are in the unsatisfiable core [2024-11-08 22:48:53,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:55,226 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:48:55,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:01,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:01,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 370 states and 492 transitions. [2024-11-08 22:49:01,833 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 492 transitions. [2024-11-08 22:49:01,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-11-08 22:49:01,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:01,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:01,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:01,835 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:01,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-08 22:49:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:02,183 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:02,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 124 conjuncts are in the unsatisfiable core [2024-11-08 22:49:02,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:03,802 INFO L134 CoverageAnalysis]: Checked inductivity of 14520 backedges. 0 proven. 14520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:49:03,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-08 22:49:10,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 373 states and 496 transitions. [2024-11-08 22:49:10,925 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 496 transitions. [2024-11-08 22:49:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-08 22:49:10,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:10,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:10,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:10,926 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:10,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-08 22:49:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:11,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:11,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-11-08 22:49:11,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:12,860 INFO L134 CoverageAnalysis]: Checked inductivity of 14762 backedges. 0 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:49:12,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:19,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:19,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 376 states and 500 transitions. [2024-11-08 22:49:19,692 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 500 transitions. [2024-11-08 22:49:19,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-08 22:49:19,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:19,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:19,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:19,693 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:19,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-08 22:49:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:20,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:20,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-11-08 22:49:20,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 15006 backedges. 0 proven. 15006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:49:21,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-11-08 22:49:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:28,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 379 states and 504 transitions. [2024-11-08 22:49:28,120 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 504 transitions. [2024-11-08 22:49:28,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-08 22:49:28,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:28,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:28,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:28,122 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:28,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-08 22:49:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:28,454 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:28,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 127 conjuncts are in the unsatisfiable core [2024-11-08 22:49:28,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:29,863 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 15252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:49:29,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-08 22:49:36,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:36,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 382 states and 508 transitions. [2024-11-08 22:49:36,705 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 508 transitions. [2024-11-08 22:49:36,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-08 22:49:36,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:36,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:36,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:36,707 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:36,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-08 22:49:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:37,046 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:37,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-11-08 22:49:37,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:38,443 INFO L134 CoverageAnalysis]: Checked inductivity of 15500 backedges. 0 proven. 15500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:49:38,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-11-08 22:49:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 385 states and 512 transitions. [2024-11-08 22:49:45,331 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 512 transitions. [2024-11-08 22:49:45,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-08 22:49:45,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:45,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:45,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:45,334 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:45,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-08 22:49:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:45,672 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:45,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-11-08 22:49:45,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:47,086 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:49:47,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:54,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:54,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 388 states and 516 transitions. [2024-11-08 22:49:54,046 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 516 transitions. [2024-11-08 22:49:54,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-08 22:49:54,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:54,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:54,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:54,049 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:54,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-08 22:49:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:54,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:54,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 130 conjuncts are in the unsatisfiable core [2024-11-08 22:49:54,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:55,968 INFO L134 CoverageAnalysis]: Checked inductivity of 16002 backedges. 0 proven. 16002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:49:55,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:03,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:03,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 391 states and 520 transitions. [2024-11-08 22:50:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 520 transitions. [2024-11-08 22:50:03,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-08 22:50:03,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:03,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:03,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:03,040 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:03,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-08 22:50:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:03,379 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:03,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 131 conjuncts are in the unsatisfiable core [2024-11-08 22:50:03,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:04,836 INFO L134 CoverageAnalysis]: Checked inductivity of 16256 backedges. 0 proven. 16256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:50:04,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:12,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:12,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 394 states and 524 transitions. [2024-11-08 22:50:12,068 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 524 transitions. [2024-11-08 22:50:12,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-08 22:50:12,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:12,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:12,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:12,070 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:12,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-08 22:50:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:12,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:12,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 132 conjuncts are in the unsatisfiable core [2024-11-08 22:50:12,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:14,137 INFO L134 CoverageAnalysis]: Checked inductivity of 16512 backedges. 0 proven. 16512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:50:14,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-08 22:50:21,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:21,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 397 states and 528 transitions. [2024-11-08 22:50:21,592 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 528 transitions. [2024-11-08 22:50:21,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-08 22:50:21,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:21,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:21,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:21,594 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:21,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-08 22:50:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:21,954 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:22,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 133 conjuncts are in the unsatisfiable core [2024-11-08 22:50:22,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:23,676 INFO L134 CoverageAnalysis]: Checked inductivity of 16770 backedges. 0 proven. 16770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:50:23,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-08 22:50:30,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:30,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 400 states and 532 transitions. [2024-11-08 22:50:30,956 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 532 transitions. [2024-11-08 22:50:30,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-08 22:50:30,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:30,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:30,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:30,958 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:30,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-08 22:50:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:31,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:31,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 134 conjuncts are in the unsatisfiable core [2024-11-08 22:50:31,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:32,897 INFO L134 CoverageAnalysis]: Checked inductivity of 17030 backedges. 0 proven. 17030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:50:32,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-11-08 22:50:40,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:40,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 403 states and 536 transitions. [2024-11-08 22:50:40,298 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 536 transitions. [2024-11-08 22:50:40,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-08 22:50:40,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:40,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:40,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:40,300 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:40,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-08 22:50:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:40,662 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:40,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 135 conjuncts are in the unsatisfiable core [2024-11-08 22:50:40,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:42,199 INFO L134 CoverageAnalysis]: Checked inductivity of 17292 backedges. 0 proven. 17292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:50:42,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-08 22:50:49,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:49,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 406 states and 540 transitions. [2024-11-08 22:50:49,764 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 540 transitions. [2024-11-08 22:50:49,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-08 22:50:49,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:49,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:49,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:49,765 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:49,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-08 22:50:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:50,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:50,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 136 conjuncts are in the unsatisfiable core [2024-11-08 22:50:50,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:51,674 INFO L134 CoverageAnalysis]: Checked inductivity of 17556 backedges. 0 proven. 17556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:50:51,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-08 22:50:59,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:59,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 409 states and 544 transitions. [2024-11-08 22:50:59,270 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2024-11-08 22:50:59,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-08 22:50:59,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:59,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:59,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:59,272 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:59,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-08 22:50:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:59,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:59,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 137 conjuncts are in the unsatisfiable core [2024-11-08 22:50:59,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:01,312 INFO L134 CoverageAnalysis]: Checked inductivity of 17822 backedges. 0 proven. 17822 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:51:01,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-08 22:51:09,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:09,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 412 states and 548 transitions. [2024-11-08 22:51:09,006 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 548 transitions. [2024-11-08 22:51:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-08 22:51:09,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:09,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:09,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:09,009 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:09,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-08 22:51:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:09,386 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:09,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 138 conjuncts are in the unsatisfiable core [2024-11-08 22:51:09,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:10,981 INFO L134 CoverageAnalysis]: Checked inductivity of 18090 backedges. 0 proven. 18090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:51:10,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:18,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:18,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 415 states and 552 transitions. [2024-11-08 22:51:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 552 transitions. [2024-11-08 22:51:18,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-08 22:51:18,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:18,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:18,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:18,962 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:18,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-08 22:51:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:19,339 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:19,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 139 conjuncts are in the unsatisfiable core [2024-11-08 22:51:19,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:20,928 INFO L134 CoverageAnalysis]: Checked inductivity of 18360 backedges. 0 proven. 18360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:51:20,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-08 22:51:28,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:28,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 418 states and 556 transitions. [2024-11-08 22:51:28,845 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 556 transitions. [2024-11-08 22:51:28,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-08 22:51:28,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:28,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:28,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:28,847 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:28,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-08 22:51:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:29,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:29,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 140 conjuncts are in the unsatisfiable core [2024-11-08 22:51:29,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:30,841 INFO L134 CoverageAnalysis]: Checked inductivity of 18632 backedges. 0 proven. 18632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:51:30,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-08 22:51:38,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:38,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 421 states and 560 transitions. [2024-11-08 22:51:38,998 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 560 transitions. [2024-11-08 22:51:38,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-08 22:51:38,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:38,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:38,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:38,999 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:39,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-08 22:51:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:39,370 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:39,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 141 conjuncts are in the unsatisfiable core [2024-11-08 22:51:39,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:41,001 INFO L134 CoverageAnalysis]: Checked inductivity of 18906 backedges. 0 proven. 18906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:51:41,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-08 22:51:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 424 states and 564 transitions. [2024-11-08 22:51:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 564 transitions. [2024-11-08 22:51:49,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-08 22:51:49,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:49,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:49,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:49,165 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:49,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-08 22:51:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:49,547 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:49,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 142 conjuncts are in the unsatisfiable core [2024-11-08 22:51:49,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:51,202 INFO L134 CoverageAnalysis]: Checked inductivity of 19182 backedges. 0 proven. 19182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:51:51,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-08 22:51:59,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:59,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 427 states and 568 transitions. [2024-11-08 22:51:59,404 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 568 transitions. [2024-11-08 22:51:59,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-08 22:51:59,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:59,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:59,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:59,406 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:59,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-08 22:51:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:59,790 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:59,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 143 conjuncts are in the unsatisfiable core [2024-11-08 22:51:59,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:01,447 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 19460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:01,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-08 22:52:09,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:09,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 430 states and 572 transitions. [2024-11-08 22:52:09,757 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 572 transitions. [2024-11-08 22:52:09,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-08 22:52:09,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:09,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:09,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:09,758 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:09,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-08 22:52:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:10,135 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:10,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 144 conjuncts are in the unsatisfiable core [2024-11-08 22:52:10,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:11,800 INFO L134 CoverageAnalysis]: Checked inductivity of 19740 backedges. 0 proven. 19740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:11,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-08 22:52:20,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:20,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 433 states and 576 transitions. [2024-11-08 22:52:20,200 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 576 transitions. [2024-11-08 22:52:20,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-11-08 22:52:20,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:20,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:20,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:20,201 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:20,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-08 22:52:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:20,582 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:20,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 145 conjuncts are in the unsatisfiable core [2024-11-08 22:52:20,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:22,288 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 20022 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:22,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-08 22:52:30,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:30,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 436 states and 580 transitions. [2024-11-08 22:52:30,844 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 580 transitions. [2024-11-08 22:52:30,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-08 22:52:30,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:30,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:30,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:30,846 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:30,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-08 22:52:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:31,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:31,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 146 conjuncts are in the unsatisfiable core [2024-11-08 22:52:31,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:33,027 INFO L134 CoverageAnalysis]: Checked inductivity of 20306 backedges. 0 proven. 20306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:33,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:41,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 439 states and 584 transitions. [2024-11-08 22:52:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 584 transitions. [2024-11-08 22:52:41,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-08 22:52:41,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:41,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:41,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:41,762 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:41,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-08 22:52:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:42,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:42,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 147 conjuncts are in the unsatisfiable core [2024-11-08 22:52:42,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 20592 backedges. 0 proven. 20592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:44,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-08 22:52:52,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:52,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 442 states and 588 transitions. [2024-11-08 22:52:52,715 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 588 transitions. [2024-11-08 22:52:52,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-08 22:52:52,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:52,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:52,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:52,719 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:52,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-08 22:52:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,108 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 148 conjuncts are in the unsatisfiable core [2024-11-08 22:52:53,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:54,973 INFO L134 CoverageAnalysis]: Checked inductivity of 20880 backedges. 0 proven. 20880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:54,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-08 22:53:04,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:04,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 445 states and 592 transitions. [2024-11-08 22:53:04,013 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 592 transitions. [2024-11-08 22:53:04,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-08 22:53:04,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:04,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:04,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:04,017 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:04,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-08 22:53:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:04,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:04,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 149 conjuncts are in the unsatisfiable core [2024-11-08 22:53:04,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:06,227 INFO L134 CoverageAnalysis]: Checked inductivity of 21170 backedges. 0 proven. 21170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:06,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-08 22:53:15,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:15,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 448 states and 596 transitions. [2024-11-08 22:53:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 596 transitions. [2024-11-08 22:53:15,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-08 22:53:15,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:15,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:15,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:15,478 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:15,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-08 22:53:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:15,887 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:15,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 150 conjuncts are in the unsatisfiable core [2024-11-08 22:53:15,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:17,875 INFO L134 CoverageAnalysis]: Checked inductivity of 21462 backedges. 0 proven. 21462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:17,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-08 22:53:27,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 451 states and 600 transitions. [2024-11-08 22:53:27,652 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 600 transitions. [2024-11-08 22:53:27,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-08 22:53:27,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:27,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:27,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:27,654 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:27,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-08 22:53:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:28,062 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:28,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 151 conjuncts are in the unsatisfiable core [2024-11-08 22:53:28,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:29,982 INFO L134 CoverageAnalysis]: Checked inductivity of 21756 backedges. 0 proven. 21756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:29,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-08 22:53:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:39,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 454 states and 604 transitions. [2024-11-08 22:53:39,563 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 604 transitions. [2024-11-08 22:53:39,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-08 22:53:39,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:39,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:39,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:39,565 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:39,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-08 22:53:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:39,997 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:40,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 152 conjuncts are in the unsatisfiable core [2024-11-08 22:53:40,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:41,974 INFO L134 CoverageAnalysis]: Checked inductivity of 22052 backedges. 0 proven. 22052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:41,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-08 22:53:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 457 states and 608 transitions. [2024-11-08 22:53:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 608 transitions. [2024-11-08 22:53:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-11-08 22:53:51,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:51,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:51,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:51,808 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:51,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-08 22:53:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:52,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:52,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 153 conjuncts are in the unsatisfiable core [2024-11-08 22:53:52,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:54,318 INFO L134 CoverageAnalysis]: Checked inductivity of 22350 backedges. 0 proven. 22350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:54,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-08 22:54:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:05,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 460 states and 612 transitions. [2024-11-08 22:54:05,085 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 612 transitions. [2024-11-08 22:54:05,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-08 22:54:05,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:05,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:05,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:05,087 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:05,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-08 22:54:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:05,569 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:05,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 154 conjuncts are in the unsatisfiable core [2024-11-08 22:54:05,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:08,042 INFO L134 CoverageAnalysis]: Checked inductivity of 22650 backedges. 0 proven. 22650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:54:08,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-08 22:54:19,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:19,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 463 states and 616 transitions. [2024-11-08 22:54:19,082 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 616 transitions. [2024-11-08 22:54:19,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-08 22:54:19,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:19,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:19,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:19,085 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:19,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-08 22:54:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:19,570 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:19,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 155 conjuncts are in the unsatisfiable core [2024-11-08 22:54:19,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 22952 backedges. 0 proven. 22952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:54:21,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-08 22:54:32,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:32,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 466 states and 620 transitions. [2024-11-08 22:54:32,775 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 620 transitions. [2024-11-08 22:54:32,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-08 22:54:32,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:32,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:32,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:32,780 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:32,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-08 22:54:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:33,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:33,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 156 conjuncts are in the unsatisfiable core [2024-11-08 22:54:33,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:35,810 INFO L134 CoverageAnalysis]: Checked inductivity of 23256 backedges. 0 proven. 23256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:54:35,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-08 22:54:48,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:48,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 469 states and 624 transitions. [2024-11-08 22:54:48,745 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 624 transitions. [2024-11-08 22:54:48,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-08 22:54:48,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:48,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:48,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:48,750 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:48,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-08 22:54:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:49,330 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:49,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 157 conjuncts are in the unsatisfiable core [2024-11-08 22:54:49,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:52,060 INFO L134 CoverageAnalysis]: Checked inductivity of 23562 backedges. 0 proven. 23562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:54:52,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-08 22:55:04,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:04,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 472 states and 628 transitions. [2024-11-08 22:55:04,451 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 628 transitions. [2024-11-08 22:55:04,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-11-08 22:55:04,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:04,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:04,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:04,453 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:04,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-08 22:55:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:04,999 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:05,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 158 conjuncts are in the unsatisfiable core [2024-11-08 22:55:05,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:07,787 INFO L134 CoverageAnalysis]: Checked inductivity of 23870 backedges. 0 proven. 23870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:55:07,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-08 22:55:19,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:19,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 475 states and 632 transitions. [2024-11-08 22:55:19,701 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 632 transitions. [2024-11-08 22:55:19,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-08 22:55:19,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:19,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:19,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:19,704 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:19,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-08 22:55:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:20,201 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:20,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 159 conjuncts are in the unsatisfiable core [2024-11-08 22:55:20,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:22,813 INFO L134 CoverageAnalysis]: Checked inductivity of 24180 backedges. 0 proven. 24180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:55:22,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-08 22:55:34,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:34,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 478 states and 636 transitions. [2024-11-08 22:55:34,503 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 636 transitions. [2024-11-08 22:55:34,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-08 22:55:34,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:34,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:34,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:34,505 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:34,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-08 22:55:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:35,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:35,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 160 conjuncts are in the unsatisfiable core [2024-11-08 22:55:35,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:37,519 INFO L134 CoverageAnalysis]: Checked inductivity of 24492 backedges. 0 proven. 24492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:55:37,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:48,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:48,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 481 states and 640 transitions. [2024-11-08 22:55:48,693 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 640 transitions. [2024-11-08 22:55:48,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-11-08 22:55:48,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:48,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:48,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:48,695 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:48,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-08 22:55:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:49,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:49,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 161 conjuncts are in the unsatisfiable core [2024-11-08 22:55:49,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 24806 backedges. 0 proven. 24806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:55:51,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-08 22:56:03,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:03,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 484 states and 644 transitions. [2024-11-08 22:56:03,055 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 644 transitions. [2024-11-08 22:56:03,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-08 22:56:03,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:03,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:03,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:03,059 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:03,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-08 22:56:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:03,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:03,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 162 conjuncts are in the unsatisfiable core [2024-11-08 22:56:03,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 25122 backedges. 0 proven. 25122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:56:05,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:17,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:17,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 487 states and 648 transitions. [2024-11-08 22:56:17,700 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 648 transitions. [2024-11-08 22:56:17,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-08 22:56:17,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:17,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:17,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:17,712 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:17,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-08 22:56:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:18,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:18,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 163 conjuncts are in the unsatisfiable core [2024-11-08 22:56:18,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:20,885 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 25440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:56:20,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-08 22:56:32,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:32,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 490 states and 652 transitions. [2024-11-08 22:56:32,862 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 652 transitions. [2024-11-08 22:56:32,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-08 22:56:32,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:32,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:32,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:32,871 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:32,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-08 22:56:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:33,379 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:33,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 164 conjuncts are in the unsatisfiable core [2024-11-08 22:56:33,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 25760 backedges. 0 proven. 25760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:56:35,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4424d2-d356-44e6-a7a9-a893678585b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0