./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound5.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_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/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_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/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_0b64223a-e5ec-4069-8511-1ffde334ce07/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 904eff5ab9a028829a49b56a519e098f085128eb26f428782b06e9247ecafe60 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:21:35,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:21:35,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:21:35,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:21:35,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:21:35,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:21:35,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:21:35,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:21:35,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:21:35,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:21:35,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:21:35,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:21:35,744 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:21:35,745 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:21:35,745 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:21:35,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:21:35,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:21:35,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:21:35,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:21:35,749 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:21:35,749 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:21:35,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:21:35,754 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:21:35,754 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:21:35,755 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:21:35,755 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:21:35,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:21:35,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:21:35,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:21:35,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:21:35,757 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:21:35,757 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:21:35,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:21:35,759 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_0b64223a-e5ec-4069-8511-1ffde334ce07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 904eff5ab9a028829a49b56a519e098f085128eb26f428782b06e9247ecafe60 [2024-11-08 22:21:36,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:21:36,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:21:36,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:21:36,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:21:36,090 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:21:36,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound5.c Unable to find full path for "g++" [2024-11-08 22:21:38,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:21:38,282 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:21:38,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound5.c [2024-11-08 22:21:38,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/data/39c8d5ad2/7c955127f92b4dc5be6c4b7901e3d07e/FLAGcf9c5c453 [2024-11-08 22:21:38,315 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/data/39c8d5ad2/7c955127f92b4dc5be6c4b7901e3d07e [2024-11-08 22:21:38,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:21:38,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:21:38,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:21:38,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:21:38,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:21:38,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:21:38" (1/1) ... [2024-11-08 22:21:38,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f4ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:38, skipping insertion in model container [2024-11-08 22:21:38,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:21:38" (1/1) ... [2024-11-08 22:21:38,361 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:21:38,596 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_0b64223a-e5ec-4069-8511-1ffde334ce07/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound5.c[537,550] [2024-11-08 22:21:38,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:21:38,635 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:21:38,649 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_0b64223a-e5ec-4069-8511-1ffde334ce07/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound5.c[537,550] [2024-11-08 22:21:38,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:21:38,688 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:21:38,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:38 WrapperNode [2024-11-08 22:21:38,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:21:38,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:21:38,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:21:38,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:21:38,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:38" (1/1) ... [2024-11-08 22:21:38,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:38" (1/1) ... [2024-11-08 22:21:38,725 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-11-08 22:21:38,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:21:38,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:21:38,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:21:38,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:21:38,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:38" (1/1) ... [2024-11-08 22:21:38,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:38" (1/1) ... [2024-11-08 22:21:38,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:38" (1/1) ... [2024-11-08 22:21:38,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:38" (1/1) ... [2024-11-08 22:21:38,746 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:38" (1/1) ... [2024-11-08 22:21:38,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:38" (1/1) ... [2024-11-08 22:21:38,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:38" (1/1) ... [2024-11-08 22:21:38,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:38" (1/1) ... [2024-11-08 22:21:38,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:21:38,764 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:21:38,764 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:21:38,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:21:38,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:38" (1/1) ... [2024-11-08 22:21:38,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:21:38,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:21:38,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:21:38,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:21:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:21:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:21:38,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:21:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:21:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:21:38,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:21:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:21:38,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:21:38,918 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:21:38,920 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:21:39,138 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 22:21:39,138 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:21:39,186 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:21:39,186 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:21:39,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:39 BoogieIcfgContainer [2024-11-08 22:21:39,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:21:39,188 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:21:39,188 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:21:39,205 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:21:39,205 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:39" (1/1) ... [2024-11-08 22:21:39,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:21:39,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:39,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-08 22:21:39,275 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-08 22:21:39,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:21:39,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:39,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:39,852 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:21:39,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:39,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2024-11-08 22:21:39,976 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2024-11-08 22:21:39,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:21:39,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:39,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:40,482 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:21:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:40,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2024-11-08 22:21:40,712 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2024-11-08 22:21:40,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:21:40,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:40,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:40,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:21:40,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:41,139 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 22:21:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-08 22:21:41,881 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 22:21:41,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:21:41,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:41,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:41,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 22:21:41,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:42,239 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:21:42,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:42,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-08 22:21:42,625 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 22:21:42,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:21:42,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:42,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:42,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:21:42,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:42,819 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 22:21:42,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-08 22:21:42,857 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 22:21:42,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:21:42,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:42,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:42,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 22:21:42,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:43,049 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:21:43,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:43,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-08 22:21:43,078 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 22:21:43,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:21:43,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:43,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:43,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:21:43,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:43,268 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 22:21:43,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:43,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-08 22:21:43,303 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 22:21:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:21:43,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:43,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:43,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:21:43,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:43,474 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 22:21:43,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:43,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-08 22:21:43,508 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 22:21:43,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:21:43,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:43,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:43,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:21:43,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:43,677 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 22:21:43,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:43,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-08 22:21:43,707 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 22:21:43,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:21:43,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:43,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:43,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 22:21:43,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:43,860 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:21:43,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:43,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-08 22:21:43,885 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 22:21:43,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:21:43,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:43,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:43,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 22:21:43,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:21:44,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:44,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-08 22:21:44,090 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 22:21:44,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:21:44,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:44,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:44,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 22:21:44,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:44,222 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:21:44,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:44,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-08 22:21:44,245 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 22:21:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:21:44,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:44,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:44,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 22:21:44,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:44,377 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:21:44,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:44,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-08 22:21:44,399 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 22:21:44,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:21:44,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:44,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:44,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:21:44,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:44,514 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 22:21:44,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:44,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-08 22:21:44,537 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 22:21:44,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:21:44,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:44,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:44,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:21:44,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 22:21:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:44,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-08 22:21:44,678 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 22:21:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:21:44,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:44,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:44,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:21:44,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:44,778 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 22:21:45,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:45,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2024-11-08 22:21:45,608 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2024-11-08 22:21:45,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:21:45,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:45,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:45,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:21:45,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:45,767 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 22:21:46,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:46,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 90 transitions. [2024-11-08 22:21:46,695 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 90 transitions. [2024-11-08 22:21:46,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:21:46,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:46,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:46,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:21:46,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:46,792 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:21:47,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:47,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 51 states and 93 transitions. [2024-11-08 22:21:47,532 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2024-11-08 22:21:47,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:21:47,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:47,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:47,936 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:22:08,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:08,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 98 transitions. [2024-11-08 22:22:08,937 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2024-11-08 22:22:08,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 22:22:08,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:08,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:22:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:09,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 22:22:09,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:10,045 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 22:25:35,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:35,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 53 states and 100 transitions. [2024-11-08 22:25:35,525 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 100 transitions. [2024-11-08 22:25:35,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 22:25:35,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:35,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:25:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:25:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:35,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:25:35,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:35,717 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 22:26:06,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:06,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 56 states and 109 transitions. [2024-11-08 22:26:06,761 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2024-11-08 22:26:06,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 22:26:06,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:06,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 22:26:10,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:10,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 60 states and 119 transitions. [2024-11-08 22:26:10,632 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 119 transitions. [2024-11-08 22:26:10,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:26:10,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:10,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:23,046 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 22:26:26,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 66 states and 134 transitions. [2024-11-08 22:26:26,928 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 134 transitions. [2024-11-08 22:26:26,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 22:26:26,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:26,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:26:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:26,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 22:26:26,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-08 22:28:22,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:22,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 70 states and 141 transitions. [2024-11-08 22:28:22,446 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 141 transitions. [2024-11-08 22:28:22,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 22:28:22,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:22,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:28:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:22,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:28:22,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:28:22,917 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-08 22:29:11,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:11,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 75 states and 155 transitions. [2024-11-08 22:29:11,138 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 155 transitions. [2024-11-08 22:29:11,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:29:11,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:11,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:29:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:11,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 22:29:11,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:13,455 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 32 proven. 38 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-08 22:29:26,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:29:37,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:29:37,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:37,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 82 states and 173 transitions. [2024-11-08 22:29:37,898 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-11-08 22:29:37,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:29:37,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:37,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:29:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:38,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 22:29:38,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:39,522 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 21 proven. 23 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-08 22:29:39,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:39,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 82 states and 173 transitions. [2024-11-08 22:29:39,968 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-11-08 22:29:39,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:29:39,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:39,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:29:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:41,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 22:29:41,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:41,859 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 33 proven. 11 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-08 22:29:41,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:41,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 82 states and 173 transitions. [2024-11-08 22:29:41,933 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-11-08 22:29:41,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:29:41,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:41,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:29:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:42,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 22:29:42,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:43,271 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 22:29:43,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:43,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 82 states and 173 transitions. [2024-11-08 22:29:43,336 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-11-08 22:29:43,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:29:43,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:43,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:29:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:44,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 22:29:44,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:44,983 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 41 proven. 29 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-08 22:29:45,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 82 states and 173 transitions. [2024-11-08 22:29:45,053 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-11-08 22:29:45,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:29:45,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:45,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:29:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:46,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-08 22:29:46,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:48,807 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 42 proven. 29 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-08 22:30:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:27,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 82 states and 173 transitions. [2024-11-08 22:30:27,449 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-11-08 22:30:27,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:30:27,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:27,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:30:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:30:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:28,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-08 22:30:28,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:28,794 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 35 proven. 24 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:30:28,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:28,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 82 states and 173 transitions. [2024-11-08 22:30:28,860 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-11-08 22:30:28,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:30:28,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:28,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:30:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:30:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:29,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-08 22:30:29,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:30,122 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 31 proven. 37 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-08 22:30:30,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:30,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 82 states and 173 transitions. [2024-11-08 22:30:30,180 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-11-08 22:30:30,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:30:30,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:30,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:30:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:30:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:30,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 22:30:30,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 22:30:31,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:31,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 82 states and 173 transitions. [2024-11-08 22:30:31,530 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-11-08 22:30:31,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:30:31,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:31,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:30:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:30:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:31,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 22:30:31,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:33,727 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 30 proven. 31 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 22:31:14,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:14,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 82 states and 173 transitions. [2024-11-08 22:31:14,221 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-11-08 22:31:14,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:31:14,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:14,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:31:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:15,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 22:31:15,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:31:16,216 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 35 proven. 24 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:31:16,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:16,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 82 states and 173 transitions. [2024-11-08 22:31:16,280 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-11-08 22:31:16,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:31:16,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:16,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:31:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:18,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 22:31:18,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:31:18,993 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 29 proven. 30 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:31:19,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:19,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 82 states and 173 transitions. [2024-11-08 22:31:19,064 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-11-08 22:31:19,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:31:19,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:19,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:31:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:21,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-08 22:31:21,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:31:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 40 proven. 28 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-08 22:31:22,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:22,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 82 states and 173 transitions. [2024-11-08 22:31:22,704 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-11-08 22:31:22,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:31:22,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:22,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:31:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:23,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-08 22:31:23,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:31:34,833 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:31:35,447 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 40 proven. 28 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-08 22:31:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 82 states and 173 transitions. [2024-11-08 22:31:54,865 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-11-08 22:31:54,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:31:54,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:54,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:31:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:55,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-08 22:31:55,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:31:57,305 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 40 proven. 28 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-08 22:31:57,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:57,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 82 states and 173 transitions. [2024-11-08 22:31:57,363 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-11-08 22:31:57,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:31:57,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:57,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:31:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:58,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-08 22:31:58,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:31:59,398 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 32 proven. 38 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-08 22:31:59,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:59,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 82 states and 173 transitions. [2024-11-08 22:31:59,453 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2024-11-08 22:31:59,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:31:59,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:59,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:32:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:32:09,598 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:32:09,604 INFO L158 Benchmark]: Toolchain (without parser) took 631282.58ms. Allocated memory was 186.6MB in the beginning and 287.3MB in the end (delta: 100.7MB). Free memory was 149.1MB in the beginning and 105.3MB in the end (delta: 43.8MB). Peak memory consumption was 148.0MB. Max. memory is 16.1GB. [2024-11-08 22:32:09,604 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 186.6MB. Free memory is still 163.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:32:09,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.52ms. Allocated memory is still 186.6MB. Free memory was 149.1MB in the beginning and 135.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:32:09,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.82ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 134.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:32:09,606 INFO L158 Benchmark]: Boogie Preprocessor took 32.33ms. Allocated memory is still 186.6MB. Free memory was 134.4MB in the beginning and 133.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:32:09,606 INFO L158 Benchmark]: RCFGBuilder took 423.11ms. Allocated memory is still 186.6MB. Free memory was 133.0MB in the beginning and 119.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:32:09,607 INFO L158 Benchmark]: CodeCheck took 630414.78ms. Allocated memory was 186.6MB in the beginning and 287.3MB in the end (delta: 100.7MB). Free memory was 119.7MB in the beginning and 105.3MB in the end (delta: 14.5MB). Peak memory consumption was 118.7MB. Max. memory is 16.1GB. [2024-11-08 22:32:09,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 186.6MB. Free memory is still 163.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.52ms. Allocated memory is still 186.6MB. Free memory was 149.1MB in the beginning and 135.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.82ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 134.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.33ms. Allocated memory is still 186.6MB. Free memory was 134.4MB in the beginning and 133.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.11ms. Allocated memory is still 186.6MB. Free memory was 133.0MB in the beginning and 119.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 630414.78ms. Allocated memory was 186.6MB in the beginning and 287.3MB in the end (delta: 100.7MB). Free memory was 119.7MB in the beginning and 105.3MB in the end (delta: 14.5MB). Peak memory consumption was 118.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:32:09,848 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-08 22:32:09,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/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_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/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_0b64223a-e5ec-4069-8511-1ffde334ce07/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 904eff5ab9a028829a49b56a519e098f085128eb26f428782b06e9247ecafe60 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:32:12,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:32:12,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:32:12,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:32:12,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:32:12,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:32:12,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:32:12,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:32:12,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:32:12,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:32:12,151 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:32:12,151 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:32:12,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:32:12,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:32:12,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:32:12,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:32:12,156 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:32:12,156 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:32:12,156 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:32:12,157 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:32:12,157 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:32:12,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:32:12,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:32:12,162 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:32:12,163 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:32:12,163 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:32:12,163 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:12,163 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:32:12,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:32:12,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:32:12,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:32:12,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:32:12,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:32:12,165 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:32:12,166 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:12,167 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:32:12,167 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_0b64223a-e5ec-4069-8511-1ffde334ce07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 904eff5ab9a028829a49b56a519e098f085128eb26f428782b06e9247ecafe60 [2024-11-08 22:32:12,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:32:12,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:32:12,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:32:12,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:32:12,603 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:32:12,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound5.c Unable to find full path for "g++" [2024-11-08 22:32:14,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:32:15,170 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:32:15,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound5.c [2024-11-08 22:32:15,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/data/cbde6b581/14114d08aedf44bc970c0f7db07abebd/FLAGdc13cd11e [2024-11-08 22:32:15,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/data/cbde6b581/14114d08aedf44bc970c0f7db07abebd [2024-11-08 22:32:15,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:32:15,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:32:15,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:32:15,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:32:15,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:32:15,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:32:15" (1/1) ... [2024-11-08 22:32:15,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d492f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:15, skipping insertion in model container [2024-11-08 22:32:15,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:32:15" (1/1) ... [2024-11-08 22:32:15,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:32:15,433 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_0b64223a-e5ec-4069-8511-1ffde334ce07/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound5.c[537,550] [2024-11-08 22:32:15,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:32:15,480 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:32:15,496 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_0b64223a-e5ec-4069-8511-1ffde334ce07/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound5.c[537,550] [2024-11-08 22:32:15,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:32:15,533 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:32:15,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:15 WrapperNode [2024-11-08 22:32:15,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:32:15,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:32:15,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:32:15,535 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:32:15,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:15" (1/1) ... [2024-11-08 22:32:15,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:15" (1/1) ... [2024-11-08 22:32:15,573 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-11-08 22:32:15,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:32:15,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:32:15,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:32:15,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:32:15,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:15" (1/1) ... [2024-11-08 22:32:15,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:15" (1/1) ... [2024-11-08 22:32:15,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:15" (1/1) ... [2024-11-08 22:32:15,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:15" (1/1) ... [2024-11-08 22:32:15,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:15" (1/1) ... [2024-11-08 22:32:15,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:15" (1/1) ... [2024-11-08 22:32:15,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:15" (1/1) ... [2024-11-08 22:32:15,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:15" (1/1) ... [2024-11-08 22:32:15,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:32:15,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:32:15,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:32:15,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:32:15,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:15" (1/1) ... [2024-11-08 22:32:15,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:32:15,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:32:15,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:32:15,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:32:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:32:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:32:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:32:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:32:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:32:15,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:32:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:32:15,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:32:15,783 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:32:15,786 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:32:16,006 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 22:32:16,007 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:32:16,086 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:32:16,086 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:32:16,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:32:16 BoogieIcfgContainer [2024-11-08 22:32:16,087 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:32:16,088 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:32:16,088 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:32:16,099 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:32:16,100 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:32:16" (1/1) ... [2024-11-08 22:32:16,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:32:16,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:16,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-08 22:32:16,171 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-08 22:32:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:32:16,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:16,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:16,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:16,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:16,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:32:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:16,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:16,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:32:16,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:16,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:32:16,441 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:32:16,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:32:16,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:16,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2024-11-08 22:32:16,670 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2024-11-08 22:32:16,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:32:16,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:16,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:16,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:16,675 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:16,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:32:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:16,757 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:16,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:32:16,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:16,968 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:32:16,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:32:17,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:17,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2024-11-08 22:32:17,485 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2024-11-08 22:32:17,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:17,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:17,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:17,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:17,493 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:17,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:32:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:17,607 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:17,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:17,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:18,116 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:32:18,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:19,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:19,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:19,097 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:19,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:19,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:19,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:19,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:19,102 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:19,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:32:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:19,202 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:19,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:19,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:19,376 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:19,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:32:19,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:19,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:19,409 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:19,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:19,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:19,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:19,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:19,415 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:19,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:32:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:19,514 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:19,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:19,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:19,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:32:19,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:19,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:19,763 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:19,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:19,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:19,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:19,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:19,767 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:19,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:32:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:19,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:19,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:19,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:20,035 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:20,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:20,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:20,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:20,062 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:20,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:20,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:20,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:20,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:20,067 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:20,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:32:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:20,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:20,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:20,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:20,315 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:20,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:20,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:20,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:20,341 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:20,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:20,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:20,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:20,346 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:20,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:32:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:20,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:20,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:20,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:20,606 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:20,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 22:32:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:20,630 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:20,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:20,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:20,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:20,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:20,634 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:20,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:32:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:20,726 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:20,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:20,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:20,870 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:20,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:20,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:20,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:20,913 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:20,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:20,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:20,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:20,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:20,919 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:20,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:32:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:21,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:21,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:21,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:21,158 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:21,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 22:32:21,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:21,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:21,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:21,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:21,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:21,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:21,189 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:21,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:32:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:21,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:21,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:21,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:21,426 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:21,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 22:32:21,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:21,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:21,447 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:21,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:21,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:21,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:21,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:21,451 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:21,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:32:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:21,545 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:21,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:21,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:21,696 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:21,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:21,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:21,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:21,716 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:21,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:21,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:21,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:21,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:21,720 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:21,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 22:32:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:21,813 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:21,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:21,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:21,941 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:21,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:21,964 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:21,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:21,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:21,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:21,969 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:21,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 22:32:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:22,065 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:22,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:22,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:22,191 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:22,193 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:32:22,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 22:32:22,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:22,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:22,212 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:22,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:22,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:22,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:22,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:22,216 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:22,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 22:32:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:22,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:22,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:22,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:22,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-08 22:32:22,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:22,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:22,470 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:22,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:22,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:22,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:22,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:22,475 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:22,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 22:32:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:22,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:22,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:22,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:22,696 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:22,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-08 22:32:22,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:22,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:22,714 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:22,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:22,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:22,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:22,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:22,717 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:22,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 22:32:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:22,814 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:22,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:22,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:22,965 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:22,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-08 22:32:22,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:22,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:22,983 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:22,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:22,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:22,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:22,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:22,987 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:22,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 22:32:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:23,086 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:23,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:23,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:23,226 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:23,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:23,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:23,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:23,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:23,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:23,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:23,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:23,250 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:23,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 22:32:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:23,345 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:23,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:23,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:23,468 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:23,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-08 22:32:23,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:23,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:23,496 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:23,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:23,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:23,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:23,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:23,501 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:23,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 22:32:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:23,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:23,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:23,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:23,759 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:23,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-08 22:32:23,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:23,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:23,784 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:23,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:23,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:23,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:23,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:23,792 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:23,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 22:32:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:23,884 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:23,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:23,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:24,016 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:24,018 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:32:24,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:24,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:24,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:24,037 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:24,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:24,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:24,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:24,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:24,045 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:24,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 22:32:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:24,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:24,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:24,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:24,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:24,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:24,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:24,288 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:24,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:24,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:24,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:24,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:24,293 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:24,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 22:32:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:24,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:24,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:24,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:24,519 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:24,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:24,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:24,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:24,535 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:24,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:24,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:24,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:24,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:24,539 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:24,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 22:32:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:24,628 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:24,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:24,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:24,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:24,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-08 22:32:24,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:24,758 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:24,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:24,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:24,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:24,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:24,764 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:24,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 22:32:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:24,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:24,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:24,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:24,992 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:24,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:25,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:25,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:25,013 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:25,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:25,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:25,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:25,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:25,018 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:25,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 22:32:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:25,108 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:25,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:25,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:25,239 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:25,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-08 22:32:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:25,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:25,254 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:25,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:25,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:25,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:25,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:25,258 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:25,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 22:32:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:25,353 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:25,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:25,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:25,470 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:25,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:25,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:25,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:25,487 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:25,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:25,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:25,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:25,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:25,491 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:25,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 22:32:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:25,577 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:25,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:25,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:25,700 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:25,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-08 22:32:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:25,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:25,720 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:25,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:25,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:25,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:25,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:25,722 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:25,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 22:32:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:25,812 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:25,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:25,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:25,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:25,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:25,969 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:25,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:25,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:25,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:25,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:25,972 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:25,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 22:32:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:26,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:26,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:26,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:26,185 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:26,187 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:32:26,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:26,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:26,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:26,200 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:26,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:26,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:26,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:26,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:26,203 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:26,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 22:32:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:26,294 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:26,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:26,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:26,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-08 22:32:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:26,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:26,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:26,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:26,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:26,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:26,427 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:26,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 22:32:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:26,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:26,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:26,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:26,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:26,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:26,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:26,660 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:26,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:26,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:26,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:26,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:26,664 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:26,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 22:32:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:26,757 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:26,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:26,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:26,887 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:26,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-08 22:32:26,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:26,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:26,907 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:26,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:26,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:26,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:26,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:26,911 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:26,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 22:32:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:27,004 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:27,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:27,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:27,124 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:27,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:27,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:27,140 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:27,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:27,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:27,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:27,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:27,143 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:27,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 22:32:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:27,235 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:27,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:27,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:27,359 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:27,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:27,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:27,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:27,376 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:27,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:27,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:27,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:27,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:27,379 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:27,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 22:32:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:27,469 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:27,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:27,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:27,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:27,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:27,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:27,618 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:27,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:27,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:27,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:27,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:27,622 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:27,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 22:32:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:27,713 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:27,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:27,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:27,825 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:27,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:27,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:27,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:27,842 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:27,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:27,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:27,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:27,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:27,845 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:27,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 22:32:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:27,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:27,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:27,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:28,047 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:28,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-08 22:32:28,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:28,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:28,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:28,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:28,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:28,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:28,067 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:28,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 22:32:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:28,156 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:28,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:28,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:28,279 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:28,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:28,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:28,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:28,296 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:28,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:28,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:28,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:28,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:28,301 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:28,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 22:32:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:28,381 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:28,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:28,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:28,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-08 22:32:28,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:28,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:28,539 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:28,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:28,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:28,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:28,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:28,542 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:28,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 22:32:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:28,634 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:28,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:28,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:28,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:28,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:28,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:28,776 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:28,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:28,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:28,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:28,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:28,780 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:28,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 22:32:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:28,859 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:28,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:28,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:28,981 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:28,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:28,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:28,997 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:28,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:28,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:28,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:28,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:28,999 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:29,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 22:32:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:29,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:29,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:29,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:29,212 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:29,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:29,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:29,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:29,229 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:29,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:29,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:29,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:29,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:29,233 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:29,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-08 22:32:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:29,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:29,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:29,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:29,443 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:29,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:29,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:29,459 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:29,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:29,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:29,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:29,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:29,463 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:29,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-08 22:32:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:29,550 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:29,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:29,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:29,663 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:29,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:29,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:29,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:29,677 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:29,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:29,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:29,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:29,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:29,680 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:29,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-08 22:32:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:29,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:29,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:29,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:29,874 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:29,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-08 22:32:29,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:29,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:29,888 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:29,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:29,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:29,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:29,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:29,891 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:29,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-08 22:32:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:29,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:29,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:29,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:30,057 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:30,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:30,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:30,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:30,076 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:30,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:30,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:30,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:30,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:30,080 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:30,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-08 22:32:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:30,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:30,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:30,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:30,252 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:30,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:30,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:30,270 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:30,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:30,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:30,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:30,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:30,274 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:30,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-08 22:32:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:30,342 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:30,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:30,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:30,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:30,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:30,470 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:30,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:30,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:30,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:30,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:30,473 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:30,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-08 22:32:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:30,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:30,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:30,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:30,657 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:30,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:30,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:30,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:30,668 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:30,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:30,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:30,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:30,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:30,669 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:30,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-08 22:32:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:30,735 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:30,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:30,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:30,853 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:30,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:30,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:30,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:30,869 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:30,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:30,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:30,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:30,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:30,875 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:30,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-08 22:32:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:30,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:30,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:30,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:31,076 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:31,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:31,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:31,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:31,098 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:31,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:31,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:31,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:31,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:31,102 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:31,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-08 22:32:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:31,191 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:31,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:31,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:31,286 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:31,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:31,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:31,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:31,299 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:31,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:31,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:31,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:31,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:31,302 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:31,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-08 22:32:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:31,370 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:31,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:31,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:31,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-08 22:32:31,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:31,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:31,484 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:31,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:31,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:31,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:31,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:31,490 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:31,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-08 22:32:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:31,552 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:31,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:31,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:31,640 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:31,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-08 22:32:31,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:31,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:31,653 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:31,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:31,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:31,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:31,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:31,654 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:31,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-08 22:32:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:31,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:31,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:31,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:31,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-08 22:32:31,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:31,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:31,833 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:31,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:31,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:31,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:31,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:31,834 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:31,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-08 22:32:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:31,897 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:31,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:31,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:32,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-08 22:32:32,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:32,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:32,038 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:32,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:32,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:32,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:32,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:32,041 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:32,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-08 22:32:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:32,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:32,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:32,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:32,250 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:32,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-08 22:32:32,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:32,269 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:32,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:32,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:32,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:32,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:32,272 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:32,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-08 22:32:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:32,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:32,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:32,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:32,457 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:32:32,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-08 22:32:32,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:32,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:32,468 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:32,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:32,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:32,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:32,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:32,472 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:32,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-08 22:32:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:32,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:32,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:32,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:32,676 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:32,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:32,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:32,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:32,694 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:32,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:32,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:32,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:32,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:32,697 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:32,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-08 22:32:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:32,780 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:32,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:32,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:32,920 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:32,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:32,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:32,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:32,935 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:32,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:32,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:32,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:32,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:32,939 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:32,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-08 22:32:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:33,007 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:33,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:33,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:33,094 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:33,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:33,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:33,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:33,106 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:33,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:33,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:33,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:33,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:33,109 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:33,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-08 22:32:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:33,173 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:33,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:33,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:33,264 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:33,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-08 22:32:33,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:33,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:33,277 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:33,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:33,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:33,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:33,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:33,280 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:33,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-08 22:32:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:33,364 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:33,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:33,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:33,467 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:33,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-08 22:32:33,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:33,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:33,485 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:33,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:33,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:33,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:33,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:33,487 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:33,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-08 22:32:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:33,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:33,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:33,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:33,637 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:33,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:33,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:33,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:33,650 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:33,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:33,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:33,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:33,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:33,653 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:33,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-08 22:32:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:33,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:33,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:33,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:33,815 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:33,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-08 22:32:33,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:33,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:33,828 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:33,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:33,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:33,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:33,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:33,830 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:33,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-08 22:32:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:33,910 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:33,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:33,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:34,017 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:34,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:34,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:34,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:34,028 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:34,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:34,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:34,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:34,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:34,031 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:34,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-08 22:32:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:34,120 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:34,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:34,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:34,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:34,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:34,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:34,250 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:34,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:34,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:34,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:34,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:34,254 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:34,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-08 22:32:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:34,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:34,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:34,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:34,441 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:34,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-08 22:32:34,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:34,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:34,452 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:34,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:34,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:34,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:34,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:34,454 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:34,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-08 22:32:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:34,518 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:34,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:34,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:34,617 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:34,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-08 22:32:34,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:34,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:34,631 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:34,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:34,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:34,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:34,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:34,634 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:34,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-08 22:32:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:34,713 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:34,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:34,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:34,811 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:34,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:34,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:34,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:34,823 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:34,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:34,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:34,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:34,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:34,825 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:34,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-08 22:32:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:34,888 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:34,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:34,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:34,981 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:34,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:34,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:34,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:34,995 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:34,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:34,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:34,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:34,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:34,998 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:35,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-08 22:32:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:35,062 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:35,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:35,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:35,170 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:35,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-08 22:32:35,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:35,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:35,184 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:35,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:35,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:35,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:35,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:35,187 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:35,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-08 22:32:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:35,260 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:35,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:35,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:35,369 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:35,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-08 22:32:35,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:35,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:35,386 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:35,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:35,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:35,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:35,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:35,389 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:35,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-08 22:32:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:35,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:35,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:35,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:35,562 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:35,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-08 22:32:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:35,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:35,575 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:35,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:35,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:35,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:35,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:35,578 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:35,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-08 22:32:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:35,641 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:35,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:35,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:35,734 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:35,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-08 22:32:35,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:35,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:35,750 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:35,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:35,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:35,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:35,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:35,753 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:35,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-08 22:32:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:35,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:35,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:35,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:35,911 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:35,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:35,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:35,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:35,922 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:35,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:35,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:35,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:35,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:35,925 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:35,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-08 22:32:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:35,995 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:36,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:36,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:36,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-08 22:32:36,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:36,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:36,115 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:36,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:36,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:36,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:36,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:36,118 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:36,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-08 22:32:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:36,205 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:36,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:36,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:36,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:36,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:36,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:36,321 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:36,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:36,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:36,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:36,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:36,324 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:36,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-08 22:32:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:36,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:36,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:36,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:36,487 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:36,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:36,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:36,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:36,507 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:36,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:36,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:36,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:36,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:36,510 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:36,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-08 22:32:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:36,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:36,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:36,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:36,670 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:36,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-08 22:32:36,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:36,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:36,682 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:36,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:36,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:36,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:36,683 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:36,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-08 22:32:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:36,745 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:36,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:36,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:36,829 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:36,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:36,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:36,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:36,840 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:36,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:36,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:36,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:36,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:36,845 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:36,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-08 22:32:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:36,905 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:36,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:36,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:36,989 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:36,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:37,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:37,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:37,000 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:37,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:37,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:37,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:37,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:37,003 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:37,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-08 22:32:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:37,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:37,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:37,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:37,155 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:37,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:37,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:37,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:37,174 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:37,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:37,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:37,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:37,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:37,178 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:37,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-08 22:32:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:37,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:37,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:37,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:37,335 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:37,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:37,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:37,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:37,350 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:37,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:37,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:37,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:37,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:37,353 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:37,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-08 22:32:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:37,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:37,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:37,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:37,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-08 22:32:37,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:37,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:37,514 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:37,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:37,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:37,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:37,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:37,517 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:37,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-08 22:32:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:37,602 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:37,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:37,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:37,688 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:37,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:37,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:37,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:37,699 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:37,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:37,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:37,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:37,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:37,701 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:37,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-08 22:32:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:37,765 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:37,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:37,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:37,855 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:37,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-08 22:32:37,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:37,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:37,870 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:37,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:37,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:37,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:37,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:37,871 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:37,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-08 22:32:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:37,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:37,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:37,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:38,029 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:38,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-08 22:32:38,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:38,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:38,040 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:38,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:38,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:38,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:38,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:38,043 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:38,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-08 22:32:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:38,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:38,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:38,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:38,200 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:38,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:38,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:38,211 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:38,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:38,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:38,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:38,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:38,213 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:38,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-08 22:32:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:38,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:38,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:38,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:38,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-08 22:32:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:38,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:38,373 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:38,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:38,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:38,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:38,374 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:38,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-08 22:32:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:38,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:38,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:38,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:38,535 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:38,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-08 22:32:38,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:38,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:38,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:38,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:38,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:38,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:38,560 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:38,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-08 22:32:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:38,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:38,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:38,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:38,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-08 22:32:38,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:38,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:38,746 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:38,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:38,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:38,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:38,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:38,747 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:38,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-08 22:32:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:38,811 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:38,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:38,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:38,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:38,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:38,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:38,910 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:38,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:38,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:38,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:38,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:38,912 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:38,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-08 22:32:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:38,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:38,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:38,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:39,074 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:39,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-08 22:32:39,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:39,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:39,086 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:39,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:39,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:39,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:39,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:39,089 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:39,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-08 22:32:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:39,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:39,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:39,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:39,245 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:39,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-08 22:32:39,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:39,259 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:39,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:39,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:39,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:39,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:39,262 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:39,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-08 22:32:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:39,330 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:39,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:39,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:39,413 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:39,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:39,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:39,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:39,424 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:39,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:39,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:39,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:39,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:39,426 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:39,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-08 22:32:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:39,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:39,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:39,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:39,572 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:39,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-08 22:32:39,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:39,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:39,583 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:39,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:39,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:39,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:39,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:39,586 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:39,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-08 22:32:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:39,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:39,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:39,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:39,755 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:39,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:39,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:39,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:39,769 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:39,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:39,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:39,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:39,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:39,773 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:39,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-08 22:32:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:39,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:39,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:39,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:39,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-08 22:32:39,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:39,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:39,987 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:39,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:39,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:39,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:39,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:39,992 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:39,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-08 22:32:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:40,057 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:40,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:40,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:40,147 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:40,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:40,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:40,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:40,160 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:40,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:40,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:40,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:40,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:40,163 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:40,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-08 22:32:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:40,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:40,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:40,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:40,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:40,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:40,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:40,332 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:40,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:40,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:40,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:40,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:40,334 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:40,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-08 22:32:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:40,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:40,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:40,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:40,510 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:40,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-08 22:32:40,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:40,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:40,523 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:40,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:40,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:40,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:40,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:40,526 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:40,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-08 22:32:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:40,613 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:40,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:40,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:40,719 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:40,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-08 22:32:40,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:40,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:40,741 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:40,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:40,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:40,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:40,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:40,744 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:40,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-08 22:32:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:40,829 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:40,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:40,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:40,916 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:40,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:40,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:40,932 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:40,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:40,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:40,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:40,935 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:40,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-08 22:32:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:41,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:41,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:41,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:41,088 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:41,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:41,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:41,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:41,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:41,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:41,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:41,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:41,103 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:41,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-08 22:32:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:41,169 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:41,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:41,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:41,274 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:41,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-08 22:32:41,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:41,287 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:41,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:41,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:41,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:41,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:41,291 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:41,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-08 22:32:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:41,378 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:41,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:41,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:41,474 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:41,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:41,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:41,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:41,485 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:41,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:41,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:41,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:41,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:41,488 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:41,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-08 22:32:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:41,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:41,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:41,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:41,649 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:41,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:41,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:41,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:41,660 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:41,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:41,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:41,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:41,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:41,662 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:41,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-08 22:32:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:41,725 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:41,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:41,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:41,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:41,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-08 22:32:41,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:41,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:41,824 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:41,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:41,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:41,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:41,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:41,826 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:41,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-08 22:32:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:41,886 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:41,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:41,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:41,970 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:41,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:41,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:41,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:41,981 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:41,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:41,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:41,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:41,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:41,982 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:41,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-08 22:32:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:42,043 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:42,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:42,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:42,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:42,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:42,143 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:42,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:42,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:42,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:42,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:42,146 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:42,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-08 22:32:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:42,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:42,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:42,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:42,321 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:42,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:42,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:42,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:42,332 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:42,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:42,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:42,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:42,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:42,334 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:42,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-08 22:32:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:42,394 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:42,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:42,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:42,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:42,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:42,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:42,494 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:42,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:42,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:42,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:42,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:42,499 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:42,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-08 22:32:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:42,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:42,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:42,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:42,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:42,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:42,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:42,694 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:42,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:42,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:42,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:42,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:42,696 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:42,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-08 22:32:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:42,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:42,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:42,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:42,890 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:42,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-08 22:32:42,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:42,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:42,901 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:42,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:42,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:42,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:42,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:42,903 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:42,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-08 22:32:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:42,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:42,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:42,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:43,050 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:43,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-08 22:32:43,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:43,061 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:43,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:43,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:43,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:43,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:43,062 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:43,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-08 22:32:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:43,123 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:43,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:43,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:43,223 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:43,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-08 22:32:43,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:43,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:43,235 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:43,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:43,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:43,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:43,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:43,240 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:43,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-08 22:32:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:43,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:43,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:43,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:43,426 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:43,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:43,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:43,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:43,439 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:43,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:43,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:43,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:43,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:43,444 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:43,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-08 22:32:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:43,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:43,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:43,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:43,599 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:43,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:43,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:43,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:43,610 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:43,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:43,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:43,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:43,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:43,613 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:43,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-08 22:32:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:43,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:43,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:43,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:43,784 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:43,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-08 22:32:43,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:43,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:43,803 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:43,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:43,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:43,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:43,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:43,806 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:43,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-08 22:32:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:43,895 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:43,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:43,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:43,988 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:43,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-08 22:32:44,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:44,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:44,005 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:44,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:44,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:44,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:44,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:44,008 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:44,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-08 22:32:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:44,077 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:44,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:44,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:44,162 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:44,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-08 22:32:44,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:44,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:44,174 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:44,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:44,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:44,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:44,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:44,177 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:44,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-08 22:32:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:44,256 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:44,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:44,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:44,340 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:44,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-11-08 22:32:44,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:44,356 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:44,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:44,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:44,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:44,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:44,357 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:44,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-08 22:32:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:44,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:44,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:44,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:44,504 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:44,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-08 22:32:44,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:44,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:44,515 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:44,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:44,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:44,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:44,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:44,517 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:44,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-08 22:32:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:44,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:44,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:44,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:44,667 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:44,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-11-08 22:32:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:44,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:44,678 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:44,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:44,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:44,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:44,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:44,680 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:44,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-08 22:32:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:44,748 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:44,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:44,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:44,833 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:44,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-11-08 22:32:44,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:44,843 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:44,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:44,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:44,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:44,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:44,845 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:44,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-08 22:32:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:44,914 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:44,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:44,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:45,005 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:45,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:45,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:45,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:45,029 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:45,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:45,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:45,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:45,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:45,032 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:45,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-08 22:32:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:45,102 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:45,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:45,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:45,190 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:45,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:45,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:45,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:45,202 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:45,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:45,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:45,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:45,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:45,203 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:45,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-08 22:32:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:45,263 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:45,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:45,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:45,353 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:45,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-08 22:32:45,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:45,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:45,363 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:45,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:45,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:45,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:45,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:45,365 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:45,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-08 22:32:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:45,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:45,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:45,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:45,517 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:45,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-08 22:32:45,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:45,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:45,529 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:45,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:45,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:45,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:45,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:45,530 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:45,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-08 22:32:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:45,593 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:45,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:45,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:45,684 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:45,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:45,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:45,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:45,708 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:45,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:45,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:45,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:45,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:45,710 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:45,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-08 22:32:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:45,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:45,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:45,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:45,854 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:45,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-08 22:32:45,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:45,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:45,865 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:45,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:45,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:45,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:45,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:45,866 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:45,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-08 22:32:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:45,927 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:45,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:45,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:46,013 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:46,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-08 22:32:46,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:46,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:46,023 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:46,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:46,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:46,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:46,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:46,025 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:46,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-08 22:32:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:46,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:46,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:46,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:46,169 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:46,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-08 22:32:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:46,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:46,180 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:46,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:46,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:46,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:46,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:46,181 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:46,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-08 22:32:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:46,243 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:46,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:46,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:46,327 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:46,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-08 22:32:46,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:46,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:46,338 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:46,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:46,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:46,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:46,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:46,339 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:46,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-08 22:32:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:46,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:46,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:46,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:46,492 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:46,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-08 22:32:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:46,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:46,503 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:46,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:46,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:46,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:46,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:46,506 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:46,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-08 22:32:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:46,571 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:46,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:46,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:46,659 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:46,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-08 22:32:46,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:46,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:46,672 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:46,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:46,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:46,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:46,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:46,673 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:46,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-08 22:32:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:46,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:46,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:46,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:46,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:46,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:46,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:46,861 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:46,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:46,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:46,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:46,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:46,864 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:46,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-08 22:32:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:46,949 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:46,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:46,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:47,054 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:47,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:47,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:47,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:47,075 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:47,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:47,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:47,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:47,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:47,078 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:47,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-08 22:32:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:47,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:47,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:47,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:47,228 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:47,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-08 22:32:47,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:47,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:47,239 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:47,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:47,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:47,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:47,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:47,240 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:47,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-08 22:32:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:47,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:47,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:47,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:47,387 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:47,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-08 22:32:47,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:47,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:47,398 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:47,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:47,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:47,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:47,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:47,401 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:47,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-08 22:32:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:47,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:47,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:47,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:47,574 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:47,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-08 22:32:47,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:47,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:47,586 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:47,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:47,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:47,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:47,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:47,589 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:47,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-08 22:32:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:47,661 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:47,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:47,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:47,747 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:47,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:47,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:47,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:47,761 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:47,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:47,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:47,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:47,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:47,762 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:47,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-08 22:32:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:47,826 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:47,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:47,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:47,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-08 22:32:47,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:47,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:47,924 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:47,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:47,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:47,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:47,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:47,926 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:47,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-08 22:32:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:47,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:48,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:48,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:48,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:48,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:48,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:48,085 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:48,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:48,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:48,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:48,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:48,086 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:48,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-08 22:32:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:48,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:48,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:48,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:48,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-08 22:32:48,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:48,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:48,250 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:48,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:48,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:48,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:48,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:48,251 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:48,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-08 22:32:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:48,311 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:48,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:48,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:48,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:48,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:48,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:48,426 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:48,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:48,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:48,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:48,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:48,427 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:48,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-08 22:32:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:48,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:48,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:48,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:48,572 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:48,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:48,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:48,582 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:48,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:48,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:48,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:48,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:48,583 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:48,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-08 22:32:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:48,645 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:48,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:48,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:48,729 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:48,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:48,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:48,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:48,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:48,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:48,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:48,741 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:48,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-08 22:32:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:48,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:48,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:48,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:48,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-08 22:32:48,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:48,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:48,904 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:48,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:48,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:48,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:48,905 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:48,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-08 22:32:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:48,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:48,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:48,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:49,069 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:49,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:49,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:49,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:49,085 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:49,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:49,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:49,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:49,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:49,088 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:49,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-08 22:32:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:49,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:49,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:49,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:49,246 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:49,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-08 22:32:49,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:49,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:49,257 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:49,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:49,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:49,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:49,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:49,258 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:49,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-08 22:32:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:49,319 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:49,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:49,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:49,404 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:49,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:49,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:49,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:49,417 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:49,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:49,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:49,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:49,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:49,420 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:49,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-08 22:32:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:49,489 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:49,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:49,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:49,576 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:49,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-08 22:32:49,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:49,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:49,587 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:49,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:49,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:49,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:49,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:49,589 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:49,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-08 22:32:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:49,650 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:49,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:49,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:49,738 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:49,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-08 22:32:49,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:49,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:49,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:49,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:49,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:49,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:49,753 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:49,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-08 22:32:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:49,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:49,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:49,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:49,903 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:49,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-08 22:32:49,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:49,917 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:49,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:49,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:49,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:49,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:49,920 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:49,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-08 22:32:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:49,982 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:50,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:50,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:50,068 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:50,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-08 22:32:50,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:50,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:50,079 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:50,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:50,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:50,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:50,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:50,080 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:50,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-08 22:32:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:50,143 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:50,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:50,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:50,231 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:50,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-08 22:32:50,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:50,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:50,243 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:50,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:50,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:50,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:50,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:50,246 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:50,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-08 22:32:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:50,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:50,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:50,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:50,412 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:50,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-08 22:32:50,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:50,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:50,428 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:50,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:50,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:50,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:50,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:50,431 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:50,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-08 22:32:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:50,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:50,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:50,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:50,576 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:50,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-08 22:32:50,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:50,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:50,587 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:50,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:50,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:50,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:50,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:50,589 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:50,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-08 22:32:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:50,651 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:50,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:50,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:50,735 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:50,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-11-08 22:32:50,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:50,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:50,745 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:50,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:50,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:50,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:50,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:50,747 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:50,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-08 22:32:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:50,810 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:50,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:50,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:50,896 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:50,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:50,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:50,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:50,907 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:50,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:50,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:50,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:50,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:50,909 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:50,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-08 22:32:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:50,970 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:50,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:50,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:51,056 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:51,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-08 22:32:51,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:51,070 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:51,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:51,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:51,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:51,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:51,073 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:51,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-08 22:32:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:51,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:51,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:51,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:51,267 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:51,269 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:32:51,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-08 22:32:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:51,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:51,281 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:51,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:51,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:51,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:51,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:51,284 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:51,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-08 22:32:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:51,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:51,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:51,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:51,458 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:51,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:51,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:51,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:51,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:51,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:51,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:51,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:51,470 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:51,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-08 22:32:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:51,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:51,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:51,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:51,615 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:51,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-08 22:32:51,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:51,626 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:51,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:51,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:51,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:51,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:51,627 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:51,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-08 22:32:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:51,695 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:51,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:51,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:51,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-08 22:32:51,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:51,793 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:51,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:51,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:51,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:51,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:51,794 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:51,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-08 22:32:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:51,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:51,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:51,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:51,956 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:51,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-11-08 22:32:51,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:51,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:51,969 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:51,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:51,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:51,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:51,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:51,972 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:51,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-08 22:32:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:52,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:52,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:52,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:52,119 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:52,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:52,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:52,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:52,130 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:52,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:52,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:52,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:52,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:52,133 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:52,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-08 22:32:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:52,201 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:52,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:52,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:52,284 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:52,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-08 22:32:52,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:52,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:52,295 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:52,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:52,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:52,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:52,296 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:52,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-08 22:32:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:52,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:52,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:52,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:52,446 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:52,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:52,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:52,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:52,457 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:52,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:52,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:52,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:52,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:52,458 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:52,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-08 22:32:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:52,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:52,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:52,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:52,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-08 22:32:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:52,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:52,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:52,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:52,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:52,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:52,627 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:52,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-08 22:32:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:52,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:52,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:52,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:52,782 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:52,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-08 22:32:52,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:52,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:52,792 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:52,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:52,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:52,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:52,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:52,795 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:52,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-08 22:32:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:52,860 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:52,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:52,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:52,951 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:52,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:52,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:52,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:52,963 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:52,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:52,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:52,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:52,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:52,968 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:52,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-08 22:32:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:53,054 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:53,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:53,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:53,141 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:53,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:53,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:53,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:53,155 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:53,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:53,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:53,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:53,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:53,158 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:53,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-08 22:32:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:53,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:53,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:53,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:53,316 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:53,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:53,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:53,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:53,327 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:53,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:53,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:53,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:53,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:53,328 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:53,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-08 22:32:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:53,391 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:53,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:53,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:53,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:53,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:53,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:53,486 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:53,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:53,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:53,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:53,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:53,489 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:53,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-08 22:32:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:53,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:53,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:53,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:53,654 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:53,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-11-08 22:32:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:53,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:53,665 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:53,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:53,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:53,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:53,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:53,666 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:53,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-08 22:32:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:53,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:53,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:53,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:53,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-08 22:32:53,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:53,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:53,840 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:53,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:53,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:53,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:53,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:53,843 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:53,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-08 22:32:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:53,905 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:53,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:53,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:53,987 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:53,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:53,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:53,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:53,998 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:53,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:53,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:53,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:53,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:54,001 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:54,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-08 22:32:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:54,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:54,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:54,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:54,148 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:54,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-08 22:32:54,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:54,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:54,159 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:54,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:54,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:54,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:54,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:54,160 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:54,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-08 22:32:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:54,225 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:54,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:54,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:54,309 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:54,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-11-08 22:32:54,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:54,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:54,320 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:54,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:54,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:54,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:54,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:54,322 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:54,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-08 22:32:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:54,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:54,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:54,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:54,471 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:54,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:54,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:54,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:54,486 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:54,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:54,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:54,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:54,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:54,489 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:54,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-08 22:32:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:54,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:54,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:54,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:54,640 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:54,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:54,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:54,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:54,652 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:54,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:54,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:54,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:54,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:54,655 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:54,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-08 22:32:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:54,745 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:54,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:54,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:54,860 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:54,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-08 22:32:54,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:54,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:54,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:54,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:54,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:54,881 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:54,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-08 22:32:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:54,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:54,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:54,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:55,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-08 22:32:55,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:55,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:55,042 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:55,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:55,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:55,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:55,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:55,044 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:55,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-08 22:32:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:55,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:55,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:55,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:55,203 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:55,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-08 22:32:55,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:55,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:55,219 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:55,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:55,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:55,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:55,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:55,220 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:55,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-08 22:32:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:55,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:55,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:55,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:55,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-11-08 22:32:55,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:55,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:55,377 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:55,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:55,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:55,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:55,379 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:55,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-08 22:32:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:55,442 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:55,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:55,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:55,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-08 22:32:55,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:55,538 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:55,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:55,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:55,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:55,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:55,540 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:55,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-08 22:32:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:55,605 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:55,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:55,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:55,689 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:55,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-08 22:32:55,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:55,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:55,700 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:55,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:55,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:55,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:55,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:55,703 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:55,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-08 22:32:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:55,765 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:55,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:55,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:55,850 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:55,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:55,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:55,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:55,865 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:55,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:55,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:55,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:55,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:55,867 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:55,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-08 22:32:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:55,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:55,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:55,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:56,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:56,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-08 22:32:56,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:56,021 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:56,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:56,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:56,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:56,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:56,022 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:56,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-08 22:32:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:56,083 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:56,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:56,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:56,167 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:56,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-08 22:32:56,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:56,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:56,178 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:56,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:56,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:56,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:56,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:56,181 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:56,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-08 22:32:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:56,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:56,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:56,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:56,343 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:56,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:56,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:56,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:56,354 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:56,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:56,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:56,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:56,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:56,356 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:56,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-08 22:32:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:56,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:56,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:56,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:56,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-08 22:32:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:56,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:56,515 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:56,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:56,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:56,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:56,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:56,516 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:56,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-08 22:32:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:56,578 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:56,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:56,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:56,668 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:56,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-08 22:32:56,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:56,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:56,679 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:56,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:56,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:56,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:56,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:56,681 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:56,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-08 22:32:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:56,742 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:56,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:56,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:56,831 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:56,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-11-08 22:32:56,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:56,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:56,842 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:56,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:56,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:56,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:56,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:56,845 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:56,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-08 22:32:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:56,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:56,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:56,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:57,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:57,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:57,052 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:57,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:57,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:57,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:57,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:57,054 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:57,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-08 22:32:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:57,139 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:57,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:57,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:57,245 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:57,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-08 22:32:57,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:57,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:57,268 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:57,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:57,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:57,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:57,271 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:57,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-08 22:32:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:57,356 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:57,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:57,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:57,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-11-08 22:32:57,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:57,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:57,461 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:57,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:57,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:57,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:57,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:57,462 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:57,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-08 22:32:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:57,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:57,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:57,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:57,608 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:57,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-11-08 22:32:57,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:57,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:57,618 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:57,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:57,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:57,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:57,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:57,620 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:57,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-08 22:32:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:57,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:57,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:57,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:57,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:57,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:57,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:57,776 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:57,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:57,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:57,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:57,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:57,777 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:57,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-08 22:32:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:57,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:57,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:57,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:57,927 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:57,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:57,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:57,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:57,943 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:57,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:57,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:57,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:57,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:57,946 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:57,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-08 22:32:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:58,035 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:58,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:58,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:58,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:58,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:58,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:58,154 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:58,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:58,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:58,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:58,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:58,161 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:58,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-08 22:32:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:58,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:58,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:58,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:58,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-11-08 22:32:58,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:58,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:58,363 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:58,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:58,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:58,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:58,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:58,366 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:58,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-08 22:32:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:58,451 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:58,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:58,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:58,554 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:58,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-08 22:32:58,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:58,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:58,566 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:58,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:58,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:58,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:58,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:58,569 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:58,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-08 22:32:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:58,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:58,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:58,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:58,728 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:58,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:58,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:58,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:58,743 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:58,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:58,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:58,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:58,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:58,746 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:58,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-08 22:32:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:58,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:58,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:58,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:58,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:58,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:58,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:58,955 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:58,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:58,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:58,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:58,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:58,958 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:58,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-08 22:32:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:59,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:59,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:59,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:59,123 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:59,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:59,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:59,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:59,134 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:59,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:59,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:59,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:59,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:59,135 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:59,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-08 22:32:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:59,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:59,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:59,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:59,282 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:59,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-08 22:32:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:59,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:59,292 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:59,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:59,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:59,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:59,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:59,294 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:59,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-08 22:32:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:59,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:59,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:59,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:59,439 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:59,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-08 22:32:59,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:59,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:59,453 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:59,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:59,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:59,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:59,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:59,454 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:59,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-08 22:32:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:59,515 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:59,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:59,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:59,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-08 22:32:59,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:59,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:59,627 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:59,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:59,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:59,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:59,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:59,630 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:59,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-08 22:32:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:59,713 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:59,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:59,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:59,801 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:59,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-08 22:32:59,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:59,812 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:59,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:59,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:59,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:59,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:59,813 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:59,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-08 22:32:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:59,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:59,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:32:59,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:32:59,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-08 22:32:59,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:59,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:32:59,968 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:32:59,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:59,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:59,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:59,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:59,971 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:59,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-08 22:33:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:00,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:00,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:00,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:00,115 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:00,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:00,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:00,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:00,130 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:00,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:00,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:00,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:00,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:00,131 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:00,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-08 22:33:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:00,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:00,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:00,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:00,282 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:00,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-08 22:33:00,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:00,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:00,293 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:00,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:00,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:00,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:00,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:00,294 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:00,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-08 22:33:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:00,356 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:00,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:00,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:00,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-08 22:33:00,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:00,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:00,452 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:00,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:00,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:00,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:00,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:00,455 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:00,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-08 22:33:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:00,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:00,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:00,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:00,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-08 22:33:00,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:00,617 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:00,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:00,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:00,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:00,619 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:00,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-08 22:33:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:00,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:00,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:00,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:00,777 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:00,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-11-08 22:33:00,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:00,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:00,799 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:00,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:00,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:00,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:00,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:00,806 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:00,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-08 22:33:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:00,878 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:00,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:00,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:00,962 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:00,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:00,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:00,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:00,972 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:00,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:00,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:00,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:00,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:00,974 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:00,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-08 22:33:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:01,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:01,124 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:01,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-08 22:33:01,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:01,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:01,135 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:01,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:01,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:01,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:01,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:01,138 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:01,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-08 22:33:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:01,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:01,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-08 22:33:01,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:01,309 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:01,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:01,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:01,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:01,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:01,312 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:01,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-08 22:33:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,398 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:01,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:01,504 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:01,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-08 22:33:01,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:01,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:01,527 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:01,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:01,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:01,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:01,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:01,530 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:01,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-08 22:33:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,614 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:01,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:01,715 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:01,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-08 22:33:01,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:01,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:01,729 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:01,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:01,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:01,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:01,732 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:01,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-08 22:33:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:01,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:01,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-08 22:33:01,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:01,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:01,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:01,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:01,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:01,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:01,904 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:01,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-08 22:33:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:01,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:02,051 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:02,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-08 22:33:02,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:02,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:02,062 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:02,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:02,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:02,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:02,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:02,063 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:02,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-08 22:33:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:02,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:02,210 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:02,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-08 22:33:02,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:02,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:02,223 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:02,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:02,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:02,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:02,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:02,226 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:02,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-08 22:33:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,297 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:02,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:02,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-08 22:33:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:02,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:02,415 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:02,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:02,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:02,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:02,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:02,420 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:02,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-08 22:33:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,509 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:02,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:02,623 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:02,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-11-08 22:33:02,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:02,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:02,638 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:02,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:02,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:02,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:02,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:02,641 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:02,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-08 22:33:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:02,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:02,834 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:02,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-08 22:33:02,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:02,845 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:02,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:02,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:02,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:02,848 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:02,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-08 22:33:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:02,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:03,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-11-08 22:33:03,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:03,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:03,050 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:03,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:03,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:03,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:03,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:03,052 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:03,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-08 22:33:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:03,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:03,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:03,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:03,237 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:03,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-11-08 22:33:03,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:03,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:03,250 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:03,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:03,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:03,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:03,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:03,253 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:03,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-08 22:33:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:03,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:03,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:03,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:03,412 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:03,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:03,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:03,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:03,423 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:03,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:03,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:03,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:03,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:03,424 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:03,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-08 22:33:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:03,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:03,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:03,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:03,607 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:03,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:03,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:03,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:03,623 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:03,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:03,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:03,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:03,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:03,626 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:03,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-08 22:33:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:03,714 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:03,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:03,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:03,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:03,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:03,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:03,828 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:03,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:03,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:03,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:03,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:03,829 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:03,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-08 22:33:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:03,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:03,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:03,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:03,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-08 22:33:03,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:03,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:03,998 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:03,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:03,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:03,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:03,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:03,999 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:04,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-08 22:33:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:04,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:04,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:04,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:04,161 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:04,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-11-08 22:33:04,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:04,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:04,171 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:04,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:04,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:04,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:04,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:04,172 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:04,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-08 22:33:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:04,276 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:04,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:04,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:04,364 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:04,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-08 22:33:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:04,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:04,375 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:04,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:04,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:04,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:04,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:04,376 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:04,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-08 22:33:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:04,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:04,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:04,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:04,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:04,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:04,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:04,563 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:04,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:04,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:04,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:04,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:04,564 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:04,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-08 22:33:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:04,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:04,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:04,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:04,713 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:04,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-11-08 22:33:04,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:04,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:04,724 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:04,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:04,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:04,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:04,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:04,725 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:04,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-08 22:33:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:04,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:04,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:04,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:04,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-08 22:33:04,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:04,885 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:04,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:04,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:04,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:04,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:04,888 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:04,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-08 22:33:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:04,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:04,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:04,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:05,037 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:05,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-11-08 22:33:05,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:05,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:05,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:05,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:05,052 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:05,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-08 22:33:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:05,138 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:05,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:05,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:05,225 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:05,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-11-08 22:33:05,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:05,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:05,239 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:05,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:05,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:05,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:05,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:05,241 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:05,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-08 22:33:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:05,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:05,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:05,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:05,428 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:05,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-08 22:33:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:05,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:05,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:05,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:05,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:05,447 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:05,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-08 22:33:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:05,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:05,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:05,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:05,618 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:05,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-11-08 22:33:05,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:05,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:05,628 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:05,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:05,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:05,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:05,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:05,630 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:05,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-08 22:33:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:05,730 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:05,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:05,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:05,812 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:05,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-11-08 22:33:05,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:05,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:05,823 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:05,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:05,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:05,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:05,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:05,826 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:05,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-08 22:33:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:05,914 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:05,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:05,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:06,001 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:06,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-11-08 22:33:06,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:06,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:06,016 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:06,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:06,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:06,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:06,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:06,019 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:06,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-08 22:33:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:06,100 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:06,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:06,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:06,186 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:06,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-11-08 22:33:06,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:06,197 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:06,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:06,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:06,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:06,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:06,199 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:06,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-08 22:33:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:06,272 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:06,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:06,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:06,357 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:06,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:06,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:06,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:06,368 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:06,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:06,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:06,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:06,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:06,369 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:06,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-08 22:33:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:06,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:06,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:06,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:06,523 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:06,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-08 22:33:06,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:06,540 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:06,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:06,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:06,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:06,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:06,543 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:06,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-08 22:33:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:06,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:06,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:06,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:06,696 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:06,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-11-08 22:33:06,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:06,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:06,711 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:06,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:06,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:06,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:06,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:06,714 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:06,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-08 22:33:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:06,810 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:06,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:06,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:06,894 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:06,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-11-08 22:33:06,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:06,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:33:06,905 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:33:06,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:06,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:06,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:06,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:06,906 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:06,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-08 22:33:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:07,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:07,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:33:07,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:07,172 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:07,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-08 22:33:08,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:08,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:08,077 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:08,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:08,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:08,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:08,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:08,081 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:08,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-08 22:33:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:08,153 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:08,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:08,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:08,243 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:08,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2024-11-08 22:33:08,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:08,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:08,258 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:08,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:08,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:08,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:08,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:08,261 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:08,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-08 22:33:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:08,347 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:08,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:08,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:08,434 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:08,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:08,446 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:08,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:08,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:08,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:08,449 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:08,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-08 22:33:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:08,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:08,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:08,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:08,617 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:08,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-08 22:33:08,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:08,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:08,632 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:08,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:08,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:08,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:08,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:08,636 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:08,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-08 22:33:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:08,725 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:08,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:33:08,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:08,810 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:08,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-11-08 22:33:08,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:08,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:08,823 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:08,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:08,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:08,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:08,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:08,826 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:08,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-08 22:33:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:08,905 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:08,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:08,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:08,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:09,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:09,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:09,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:09,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:09,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:09,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:09,006 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:09,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-08 22:33:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:09,105 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:09,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:09,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:09,191 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:09,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-11-08 22:33:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:09,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:09,201 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:09,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:09,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:09,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:09,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:09,203 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:09,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-08 22:33:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:09,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:09,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:09,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:09,362 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:09,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-11-08 22:33:09,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:09,372 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:09,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:09,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:09,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:09,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:09,373 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:09,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-08 22:33:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:09,445 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:09,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:09,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:09,529 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:09,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:09,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:09,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:09,540 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:09,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:09,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:09,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:09,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:09,541 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:09,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-08 22:33:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:09,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:09,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:09,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:09,721 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:09,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-11-08 22:33:09,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:09,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:09,731 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:09,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:09,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:09,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:09,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:09,733 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:09,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-08 22:33:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:09,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:09,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:09,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:09,913 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:09,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-11-08 22:33:09,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:09,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:09,924 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:09,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:09,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:09,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:09,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:09,925 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:09,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-08 22:33:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:10,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:10,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:10,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:10,096 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:10,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:10,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:10,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:10,107 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:10,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:10,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:10,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:10,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:10,110 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:10,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-08 22:33:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:10,201 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:10,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:10,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:10,285 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:10,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:10,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:10,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:10,294 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:10,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:10,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:10,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:10,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:10,297 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:10,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-08 22:33:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:10,379 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:10,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:10,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:10,467 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:10,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:10,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:10,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:10,478 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:10,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:10,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:10,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:10,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:10,481 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:10,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-08 22:33:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:10,569 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:10,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:10,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:10,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-11-08 22:33:10,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:10,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:10,692 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:10,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:10,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:10,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:10,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:10,695 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:10,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-08 22:33:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:10,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:10,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:10,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:10,883 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:10,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-08 22:33:10,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:10,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:10,895 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:10,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:10,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:10,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:10,898 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:10,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-08 22:33:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:10,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:10,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:10,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:11,064 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:11,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:11,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:11,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:11,074 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:11,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:11,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:11,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:11,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:11,075 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:11,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-08 22:33:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:11,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:11,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:11,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:11,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:11,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:11,264 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:11,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:11,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:11,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:11,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:11,265 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:11,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-08 22:33:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:11,336 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:11,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:11,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:11,420 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:11,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-08 22:33:11,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:11,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:11,431 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:11,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:11,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:11,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:11,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:11,433 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:11,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-08 22:33:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:11,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:11,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:11,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:11,613 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:11,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:11,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:11,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:11,623 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:11,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:11,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:11,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:11,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:11,624 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:11,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-08 22:33:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:11,710 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:11,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:11,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:11,791 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:11,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:11,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:11,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:11,801 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:11,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:11,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:11,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:11,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:11,802 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:11,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-08 22:33:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:11,906 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:11,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:11,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:11,994 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:11,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-08 22:33:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:12,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:12,005 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:12,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:12,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:12,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:12,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:12,006 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:12,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-08 22:33:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:12,107 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:12,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:12,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:12,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:12,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:12,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:12,201 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:12,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:12,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:12,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:12,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:12,202 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:12,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-08 22:33:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:12,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:12,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:12,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:12,393 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:12,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-11-08 22:33:12,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:12,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:12,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:12,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:12,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:12,412 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:12,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-08 22:33:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:12,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:12,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:12,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:12,598 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:12,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:12,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:12,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:12,612 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:12,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:12,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:12,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:12,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:12,615 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:12,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-08 22:33:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:12,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:12,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:12,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:12,807 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:12,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:12,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:12,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:12,818 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:12,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:12,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:12,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:12,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:12,819 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:12,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-08 22:33:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:12,897 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:12,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:12,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:12,991 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:12,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:13,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:13,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:13,001 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:13,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:13,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:13,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:13,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:13,002 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:13,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-08 22:33:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:13,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:13,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:13,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:13,152 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:13,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-08 22:33:13,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:13,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:13,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:13,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:13,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:13,165 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:13,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-08 22:33:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:13,254 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:13,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:13,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:13,337 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:13,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:13,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:13,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:13,347 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:13,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:13,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:13,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:13,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:13,349 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:13,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-08 22:33:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:13,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:13,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:13,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:13,525 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:13,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:13,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:13,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:13,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:13,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:13,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:13,537 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:13,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-08 22:33:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:13,620 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:13,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:13,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:13,704 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:13,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-11-08 22:33:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:13,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:13,715 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:13,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:13,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:13,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:13,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:13,716 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:13,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-08 22:33:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:13,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:13,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:13,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:13,865 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:13,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-08 22:33:13,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:13,877 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:13,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:13,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:13,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:13,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:13,878 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:13,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-08 22:33:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:13,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:13,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:13,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:14,043 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:14,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:14,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:14,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:14,054 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:14,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:14,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:14,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:14,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:14,055 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:14,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-08 22:33:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:14,157 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:14,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:14,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:14,246 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:14,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-08 22:33:14,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:14,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:14,257 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:14,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:14,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:14,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:14,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:14,258 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:14,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-08 22:33:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:14,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:14,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:14,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:14,445 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:14,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-08 22:33:14,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:14,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:14,455 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:14,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:14,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:14,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:14,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:14,456 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:14,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-08 22:33:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:14,518 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:14,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:14,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:14,599 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:14,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:14,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:14,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:14,609 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:14,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:14,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:14,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:14,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:14,611 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:14,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-08 22:33:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:14,672 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:14,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:14,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:14,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-08 22:33:14,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:14,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:14,765 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:14,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:14,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:14,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:14,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:14,766 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:14,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-08 22:33:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:14,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:14,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:14,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:14,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:14,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-11-08 22:33:14,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:14,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:14,924 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:14,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:14,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:14,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:14,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:14,925 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:14,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-08 22:33:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:15,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:15,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:15,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:15,088 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:15,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-11-08 22:33:15,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:15,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:15,098 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:15,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:15,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:15,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:15,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:15,101 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:15,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-08 22:33:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:15,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:15,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:15,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:15,263 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:15,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-11-08 22:33:15,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:15,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:15,274 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:15,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:15,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:15,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:15,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:15,275 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:15,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-08 22:33:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:15,371 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:15,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:15,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:15,457 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:15,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-08 22:33:15,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:15,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:15,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:15,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:15,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:15,469 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:15,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-08 22:33:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:15,570 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:15,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:15,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:15,658 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:15,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:15,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:15,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:15,668 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:15,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:15,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:15,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:15,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:15,669 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:15,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-08 22:33:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:15,731 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:15,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:15,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:15,817 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:15,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-11-08 22:33:15,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:15,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:15,827 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:15,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:15,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:15,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:15,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:15,829 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:15,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-08 22:33:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:15,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:15,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:15,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:15,999 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:16,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:16,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:16,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:16,010 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:16,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:16,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:16,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:16,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:16,011 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:16,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-08 22:33:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:16,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:16,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:16,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:16,181 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:16,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-11-08 22:33:16,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:16,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:16,192 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:16,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:16,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:16,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:16,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:16,193 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:16,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-08 22:33:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:16,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:16,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:16,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:16,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-11-08 22:33:16,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:16,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:16,391 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:16,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:16,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:16,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:16,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:16,392 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:16,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-08 22:33:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:16,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:16,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:16,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:16,540 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:16,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:16,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:16,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:16,550 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:16,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:16,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:16,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:16,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:16,552 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:16,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-08 22:33:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:16,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:16,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:16,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:16,700 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:16,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:16,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:16,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:16,711 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:16,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:16,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:16,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:16,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:16,712 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:16,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-08 22:33:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:16,773 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:16,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:16,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:16,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-11-08 22:33:16,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:16,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:16,865 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:16,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:16,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:16,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:16,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:16,866 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:16,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-08 22:33:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:16,927 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:16,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:16,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:17,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:17,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:17,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:17,026 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:17,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:17,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:17,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:17,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:17,027 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:17,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-08 22:33:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:17,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:17,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:17,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:17,189 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:17,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-08 22:33:17,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:17,200 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:17,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:17,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:17,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:17,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:17,201 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:17,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-08 22:33:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:17,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:17,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:17,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:17,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-08 22:33:17,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:17,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:17,364 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:17,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:17,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:17,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:17,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:17,365 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:17,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-08 22:33:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:17,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:17,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:17,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:17,540 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:17,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-11-08 22:33:17,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:17,551 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:17,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:17,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:17,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:17,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:17,552 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:17,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-08 22:33:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:17,645 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:17,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:17,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:17,729 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:17,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-11-08 22:33:17,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:17,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:17,739 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:17,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:17,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:17,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:17,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:17,742 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:17,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-08 22:33:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:17,814 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:17,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:17,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:17,895 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:17,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:17,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:17,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:17,906 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:17,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:17,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:17,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:17,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:17,907 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:17,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-08 22:33:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:17,978 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:17,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:17,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:18,060 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:18,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:18,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:18,078 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:18,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:18,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:18,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:18,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:18,081 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:18,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-08 22:33:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:18,173 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:18,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:18,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:18,258 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:18,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-08 22:33:18,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:18,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:18,268 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:18,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:18,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:18,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:18,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:18,269 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:18,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-08 22:33:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:18,370 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:18,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:18,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:18,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-11-08 22:33:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:18,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:18,468 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:18,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:18,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:18,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:18,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:18,469 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:18,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-08 22:33:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:18,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:18,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:18,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:18,610 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:18,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-11-08 22:33:18,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:18,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:18,621 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:18,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:18,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:18,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:18,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:18,624 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:18,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-08 22:33:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:18,692 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:18,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:18,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:18,786 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:18,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-08 22:33:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:18,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:18,796 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:18,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:18,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:18,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:18,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:18,798 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:18,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-08 22:33:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:18,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:18,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:18,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:18,946 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:18,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-08 22:33:18,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:18,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:18,957 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:18,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:18,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:18,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:18,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:18,958 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:18,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-08 22:33:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:19,052 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:19,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:19,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:19,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-08 22:33:19,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:19,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:19,152 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:19,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:19,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:19,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:19,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:19,153 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:19,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-08 22:33:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:19,253 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:19,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:19,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:19,344 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:19,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-11-08 22:33:19,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:19,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:19,357 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:19,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:19,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:19,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:19,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:19,360 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:19,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-08 22:33:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:19,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:19,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:19,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:19,526 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:19,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-08 22:33:19,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:19,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:19,537 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:19,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:19,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:19,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:19,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:19,538 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:19,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-08 22:33:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:19,635 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:19,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:19,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:19,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-11-08 22:33:19,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:19,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:19,727 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:19,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:19,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:19,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:19,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:19,730 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:19,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-08 22:33:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:19,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:19,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:19,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:19,876 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:19,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:19,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:19,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:19,891 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:19,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:19,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:19,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:19,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:19,892 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:19,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-08 22:33:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:19,954 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:19,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:19,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:20,037 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:20,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-08 22:33:20,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:20,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:20,047 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:20,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:20,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:20,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:20,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:20,050 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:20,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-08 22:33:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:20,111 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:20,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:20,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:20,193 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:20,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-11-08 22:33:20,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:20,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:20,202 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:20,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:20,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:20,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:20,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:20,203 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:20,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-08 22:33:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:20,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:20,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:20,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:20,345 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:20,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-11-08 22:33:20,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:20,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:20,355 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:20,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:20,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:20,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:20,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:20,357 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:20,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-08 22:33:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:20,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:20,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:20,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:20,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-11-08 22:33:20,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:20,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:20,514 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:20,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:20,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:20,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:20,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:20,515 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:20,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-08 22:33:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:20,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:20,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:20,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:20,664 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:20,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-08 22:33:20,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:20,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:20,675 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:20,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:20,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:20,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:20,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:20,676 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:20,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-08 22:33:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:20,739 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:20,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:20,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:20,848 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:20,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:20,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:20,864 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:20,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:20,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:20,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:20,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:20,865 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:20,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-08 22:33:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:20,926 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:20,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:20,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:21,008 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:21,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-11-08 22:33:21,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:21,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:21,019 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:21,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:21,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:21,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:21,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:21,020 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:21,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-08 22:33:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:21,099 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:21,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:21,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:21,183 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:21,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:21,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:21,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:21,198 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:21,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:21,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:21,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:21,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:21,199 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:21,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-08 22:33:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:21,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:21,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:21,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:21,374 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:21,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-11-08 22:33:21,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:21,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:21,386 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:21,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:21,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:21,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:21,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:21,388 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:21,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-08 22:33:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:21,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:21,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:21,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:21,562 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:21,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:21,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:21,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:21,572 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:21,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:21,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:21,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:21,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:21,574 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:21,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-08 22:33:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:21,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:21,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:21,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:21,733 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:21,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-11-08 22:33:21,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:21,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:21,743 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:21,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:21,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:21,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:21,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:21,744 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:21,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-08 22:33:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:21,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:21,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:21,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:21,887 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:21,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-08 22:33:21,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:21,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:21,901 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:21,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:21,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:21,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:21,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:21,902 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:21,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-08 22:33:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:21,964 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:21,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:21,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:22,046 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:22,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-11-08 22:33:22,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:22,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:22,056 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:22,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:22,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:22,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:22,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:22,057 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:22,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-08 22:33:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:22,131 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:22,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:22,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:22,210 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:22,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-08 22:33:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:22,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:22,220 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:22,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:22,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:22,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:22,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:22,222 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:22,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-08 22:33:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:22,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:22,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:22,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:22,367 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:22,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-08 22:33:22,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:22,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:22,377 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:22,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:22,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:22,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:22,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:22,378 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:22,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-08 22:33:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:22,440 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:22,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:22,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:22,524 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:22,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-08 22:33:22,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:22,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:22,538 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:22,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:22,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:22,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:22,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:22,539 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:22,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-08 22:33:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:22,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:22,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:22,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:22,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:22,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:22,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:22,692 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:22,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:22,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:22,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:22,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:22,693 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:22,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-08 22:33:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:22,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:22,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:22,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:22,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:22,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:22,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:22,849 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:22,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:22,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:22,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:22,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:22,850 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:22,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-08 22:33:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:22,913 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:22,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:22,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:23,015 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:23,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:23,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:23,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:23,027 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:23,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:23,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:23,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:23,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:23,030 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:23,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-08 22:33:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:23,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:23,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:23,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:23,202 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:23,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:23,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:23,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:23,213 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:23,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:23,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:23,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:23,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:23,214 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:23,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-08 22:33:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:23,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:23,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:23,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:23,356 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:23,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:23,366 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:23,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:23,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:23,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:23,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:23,369 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:23,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-08 22:33:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:23,449 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:23,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:23,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:23,601 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:23,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:23,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:23,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:23,618 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:23,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:23,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:23,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:23,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:23,621 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:23,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-08 22:33:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:23,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:23,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:23,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:23,826 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:23,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:23,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:23,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:23,844 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:23,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:23,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:23,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:23,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:23,847 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:23,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-08 22:33:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:23,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:23,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:23,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:24,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-11-08 22:33:24,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:24,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:24,033 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:24,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:24,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:24,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:24,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:24,034 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:24,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-08 22:33:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:24,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:24,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:24,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:24,187 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:24,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:24,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:24,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:24,197 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:24,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:24,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:24,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:24,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:24,199 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:24,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-08 22:33:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:24,260 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:24,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:24,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:24,342 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:24,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-11-08 22:33:24,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:24,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:24,352 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:24,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:24,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:24,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:24,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:24,353 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:24,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-08 22:33:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:24,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:24,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:24,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:24,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-11-08 22:33:24,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:24,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:24,505 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:24,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:24,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:24,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:24,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:24,506 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:24,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-08 22:33:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:24,568 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:24,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:24,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:24,653 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:24,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-11-08 22:33:24,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:24,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:24,664 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:24,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:24,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:24,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:24,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:24,665 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:24,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-08 22:33:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:24,726 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:24,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:24,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:24,808 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:24,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:24,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:24,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:24,819 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:24,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:24,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:24,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:24,820 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:24,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-08 22:33:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:24,881 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:24,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:24,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:24,963 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:24,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-08 22:33:24,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:24,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:24,973 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:24,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:24,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:24,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:24,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:24,974 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:24,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-08 22:33:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:25,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:25,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:25,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:25,115 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:25,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-11-08 22:33:25,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:25,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:25,126 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:25,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:25,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:25,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:25,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:25,127 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:25,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-08 22:33:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:25,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:25,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:25,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:25,307 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:25,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-11-08 22:33:25,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:25,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:25,320 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:25,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:25,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:25,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:25,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:25,322 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:25,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-08 22:33:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:25,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:25,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:25,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:25,503 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:25,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-11-08 22:33:25,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:25,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:25,514 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:25,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:25,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:25,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:25,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:25,515 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:25,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-08 22:33:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:25,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:25,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:25,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:25,696 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:25,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:25,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:25,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:25,706 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:25,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:25,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:25,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:25,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:25,707 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:25,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-08 22:33:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:25,768 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:25,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:25,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:25,850 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:33:25,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-11-08 22:33:25,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:25,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:33:25,860 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:33:25,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:33:25,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:25,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:25,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:25,861 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:25,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-08 22:33:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:25,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2024-11-08 22:34:53,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:53,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:53,973 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:53,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:53,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:53,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:53,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:53,974 INFO L229 MonitoredProcess]: Starting monitored process 895 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:53,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (895)] Waiting until timeout for monitored process [2024-11-08 22:34:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:54,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:54,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:54,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:54,115 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:54,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (895)] Ended with exit code 0 [2024-11-08 22:34:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:54,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:54,125 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:54,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:54,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:54,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:54,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:54,126 INFO L229 MonitoredProcess]: Starting monitored process 896 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:54,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (896)] Waiting until timeout for monitored process [2024-11-08 22:34:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:54,197 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:54,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:54,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:54,283 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:54,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (896)] Ended with exit code 0 [2024-11-08 22:34:54,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:54,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:54,296 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:54,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:54,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:54,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:54,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:54,297 INFO L229 MonitoredProcess]: Starting monitored process 897 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:54,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (897)] Waiting until timeout for monitored process [2024-11-08 22:34:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:54,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:54,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:54,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:54,441 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:54,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (897)] Ended with exit code 0 [2024-11-08 22:34:54,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:54,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:54,455 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:54,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:54,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:54,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:54,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:54,456 INFO L229 MonitoredProcess]: Starting monitored process 898 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:54,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (898)] Waiting until timeout for monitored process [2024-11-08 22:34:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:54,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:54,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:54,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:54,602 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:54,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (898)] Forceful destruction successful, exit code 0 [2024-11-08 22:34:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:54,612 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:54,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:54,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:54,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:54,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:54,613 INFO L229 MonitoredProcess]: Starting monitored process 899 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:54,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (899)] Waiting until timeout for monitored process [2024-11-08 22:34:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:54,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:54,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:54,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:54,760 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:54,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (899)] Ended with exit code 0 [2024-11-08 22:34:54,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:54,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:54,774 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:54,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:54,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:54,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:54,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:54,776 INFO L229 MonitoredProcess]: Starting monitored process 900 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:54,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (900)] Waiting until timeout for monitored process [2024-11-08 22:34:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:54,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:54,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:54,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:54,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:54,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (900)] Forceful destruction successful, exit code 0 [2024-11-08 22:34:54,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:54,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:54,927 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:54,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:54,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:54,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:54,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:54,929 INFO L229 MonitoredProcess]: Starting monitored process 901 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:54,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (901)] Waiting until timeout for monitored process [2024-11-08 22:34:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:54,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:55,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:55,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:55,070 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:55,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (901)] Ended with exit code 0 [2024-11-08 22:34:55,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:55,080 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:55,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:55,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:55,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:55,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:55,081 INFO L229 MonitoredProcess]: Starting monitored process 902 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:55,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (902)] Waiting until timeout for monitored process [2024-11-08 22:34:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:55,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:55,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:55,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:55,224 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:55,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (902)] Ended with exit code 0 [2024-11-08 22:34:55,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:55,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:55,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:55,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:55,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:55,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:55,235 INFO L229 MonitoredProcess]: Starting monitored process 903 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:55,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (903)] Waiting until timeout for monitored process [2024-11-08 22:34:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:55,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:55,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:55,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:55,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (903)] Ended with exit code 0 [2024-11-08 22:34:55,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:55,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:55,386 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:55,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:55,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:55,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:55,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:55,387 INFO L229 MonitoredProcess]: Starting monitored process 904 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:55,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (904)] Waiting until timeout for monitored process [2024-11-08 22:34:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:55,448 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:55,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:55,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:55,528 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:55,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (904)] Ended with exit code 0 [2024-11-08 22:34:55,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:55,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:55,541 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:55,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:55,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:55,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:55,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:55,542 INFO L229 MonitoredProcess]: Starting monitored process 905 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:55,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (905)] Waiting until timeout for monitored process [2024-11-08 22:34:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:55,602 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:55,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:55,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:55,683 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:55,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (905)] Ended with exit code 0 [2024-11-08 22:34:55,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:55,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:55,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:55,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:55,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:55,694 INFO L229 MonitoredProcess]: Starting monitored process 906 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:55,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (906)] Waiting until timeout for monitored process [2024-11-08 22:34:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:55,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:55,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:55,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:55,833 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:55,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (906)] Ended with exit code 0 [2024-11-08 22:34:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:55,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:55,843 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:55,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:55,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:55,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:55,844 INFO L229 MonitoredProcess]: Starting monitored process 907 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:55,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (907)] Waiting until timeout for monitored process [2024-11-08 22:34:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:55,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:55,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:55,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:55,983 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:55,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (907)] Ended with exit code 0 [2024-11-08 22:34:55,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:55,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:55,993 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:55,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:55,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:55,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:55,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:55,994 INFO L229 MonitoredProcess]: Starting monitored process 908 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:55,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (908)] Waiting until timeout for monitored process [2024-11-08 22:34:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:56,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:56,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:56,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:56,134 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:56,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (908)] Forceful destruction successful, exit code 0 [2024-11-08 22:34:56,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:56,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:56,147 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:56,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:56,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:56,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:56,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:56,148 INFO L229 MonitoredProcess]: Starting monitored process 909 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:56,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (909)] Waiting until timeout for monitored process [2024-11-08 22:34:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:56,207 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:56,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:56,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:56,285 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:56,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (909)] Ended with exit code 0 [2024-11-08 22:34:56,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:56,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:56,295 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:56,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:56,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:56,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:56,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:56,297 INFO L229 MonitoredProcess]: Starting monitored process 910 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:56,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (910)] Waiting until timeout for monitored process [2024-11-08 22:34:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:56,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:56,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:56,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:56,436 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:56,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (910)] Ended with exit code 0 [2024-11-08 22:34:56,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:56,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:56,446 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:56,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:56,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:56,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:56,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:56,447 INFO L229 MonitoredProcess]: Starting monitored process 911 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:56,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (911)] Waiting until timeout for monitored process [2024-11-08 22:34:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:56,514 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:56,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:56,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:56,595 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:56,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (911)] Ended with exit code 0 [2024-11-08 22:34:56,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:56,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:56,605 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:56,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:56,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:56,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:56,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:56,606 INFO L229 MonitoredProcess]: Starting monitored process 912 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:56,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (912)] Waiting until timeout for monitored process [2024-11-08 22:34:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:56,672 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:56,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:56,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:56,756 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:56,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (912)] Ended with exit code 0 [2024-11-08 22:34:56,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:56,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:56,765 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:56,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:56,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:56,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:56,766 INFO L229 MonitoredProcess]: Starting monitored process 913 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:56,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (913)] Waiting until timeout for monitored process [2024-11-08 22:34:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:56,825 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:56,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:56,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:56,906 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:56,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (913)] Ended with exit code 0 [2024-11-08 22:34:56,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:56,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:56,916 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:56,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:56,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:56,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:56,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:56,917 INFO L229 MonitoredProcess]: Starting monitored process 914 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:56,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (914)] Waiting until timeout for monitored process [2024-11-08 22:34:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:56,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:57,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:57,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:57,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (914)] Ended with exit code 0 [2024-11-08 22:34:57,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:57,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:57,077 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:57,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:57,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:57,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:57,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:57,079 INFO L229 MonitoredProcess]: Starting monitored process 915 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:57,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (915)] Waiting until timeout for monitored process [2024-11-08 22:34:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:57,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:57,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:57,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:57,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:57,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (915)] Forceful destruction successful, exit code 0 [2024-11-08 22:34:57,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:57,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:57,230 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:57,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:57,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:57,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:57,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:57,231 INFO L229 MonitoredProcess]: Starting monitored process 916 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:57,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (916)] Waiting until timeout for monitored process [2024-11-08 22:34:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:57,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:57,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:57,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:57,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (916)] Ended with exit code 0 [2024-11-08 22:34:57,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:57,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:57,386 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:57,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:57,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:57,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:57,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:57,387 INFO L229 MonitoredProcess]: Starting monitored process 917 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:57,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (917)] Waiting until timeout for monitored process [2024-11-08 22:34:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:57,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:57,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:57,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:57,529 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:57,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (917)] Ended with exit code 0 [2024-11-08 22:34:57,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:57,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:57,539 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:57,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:57,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:57,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:57,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:57,540 INFO L229 MonitoredProcess]: Starting monitored process 918 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:57,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (918)] Waiting until timeout for monitored process [2024-11-08 22:34:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:57,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:57,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:57,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:57,680 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:57,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (918)] Ended with exit code 0 [2024-11-08 22:34:57,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:57,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:57,690 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:57,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:57,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:57,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:57,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:57,691 INFO L229 MonitoredProcess]: Starting monitored process 919 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:57,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (919)] Waiting until timeout for monitored process [2024-11-08 22:34:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:57,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:57,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:57,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:57,831 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:57,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (919)] Ended with exit code 0 [2024-11-08 22:34:57,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:57,841 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:57,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:57,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:57,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:57,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:57,842 INFO L229 MonitoredProcess]: Starting monitored process 920 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:57,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (920)] Waiting until timeout for monitored process [2024-11-08 22:34:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:57,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:57,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:57,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:57,986 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:57,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (920)] Ended with exit code 0 [2024-11-08 22:34:57,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:57,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:57,996 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:57,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:57,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:57,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:57,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:57,997 INFO L229 MonitoredProcess]: Starting monitored process 921 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:57,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (921)] Waiting until timeout for monitored process [2024-11-08 22:34:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:58,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:58,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:58,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:58,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (921)] Ended with exit code 0 [2024-11-08 22:34:58,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:58,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:58,149 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:58,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:58,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:58,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:58,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:58,150 INFO L229 MonitoredProcess]: Starting monitored process 922 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:58,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (922)] Waiting until timeout for monitored process [2024-11-08 22:34:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:58,210 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:58,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:58,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:58,291 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:58,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (922)] Forceful destruction successful, exit code 0 [2024-11-08 22:34:58,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:58,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:58,301 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:58,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:58,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:58,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:58,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:58,302 INFO L229 MonitoredProcess]: Starting monitored process 923 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:58,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (923)] Waiting until timeout for monitored process [2024-11-08 22:34:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:58,361 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:58,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:58,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:58,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (923)] Ended with exit code 0 [2024-11-08 22:34:58,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:58,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:58,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:58,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:58,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:58,454 INFO L229 MonitoredProcess]: Starting monitored process 924 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:58,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (924)] Waiting until timeout for monitored process [2024-11-08 22:34:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:58,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:58,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:58,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:58,621 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:58,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (924)] Ended with exit code 0 [2024-11-08 22:34:58,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:58,631 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:58,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:58,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:58,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:58,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:58,632 INFO L229 MonitoredProcess]: Starting monitored process 925 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:58,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (925)] Waiting until timeout for monitored process [2024-11-08 22:34:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:58,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:58,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:58,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:58,774 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:58,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (925)] Forceful destruction successful, exit code 0 [2024-11-08 22:34:58,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:58,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:58,784 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:58,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:58,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:58,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:58,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:58,786 INFO L229 MonitoredProcess]: Starting monitored process 926 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:58,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (926)] Waiting until timeout for monitored process [2024-11-08 22:34:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:58,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:58,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:58,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:58,926 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:58,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (926)] Ended with exit code 0 [2024-11-08 22:34:58,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:58,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:58,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:58,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:58,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:58,938 INFO L229 MonitoredProcess]: Starting monitored process 927 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:58,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (927)] Waiting until timeout for monitored process [2024-11-08 22:34:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:58,998 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:59,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:59,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:59,079 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:59,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (927)] Ended with exit code 0 [2024-11-08 22:34:59,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:59,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:59,089 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:59,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:59,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:59,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:59,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:59,090 INFO L229 MonitoredProcess]: Starting monitored process 928 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:59,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (928)] Waiting until timeout for monitored process [2024-11-08 22:34:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:59,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:59,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:59,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:59,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (928)] Ended with exit code 0 [2024-11-08 22:34:59,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:59,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:59,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:59,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:59,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:59,247 INFO L229 MonitoredProcess]: Starting monitored process 929 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:59,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (929)] Waiting until timeout for monitored process [2024-11-08 22:34:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:59,305 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:59,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:59,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:59,385 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:59,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (929)] Ended with exit code 0 [2024-11-08 22:34:59,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:59,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:59,395 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:59,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:59,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:59,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:59,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:59,396 INFO L229 MonitoredProcess]: Starting monitored process 930 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:59,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (930)] Waiting until timeout for monitored process [2024-11-08 22:34:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:59,480 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:59,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:59,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:59,561 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:59,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (930)] Ended with exit code 0 [2024-11-08 22:34:59,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:59,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:59,571 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:59,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:59,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:59,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:59,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:59,572 INFO L229 MonitoredProcess]: Starting monitored process 931 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:59,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (931)] Waiting until timeout for monitored process [2024-11-08 22:34:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:59,631 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:59,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:59,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:59,712 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:59,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (931)] Forceful destruction successful, exit code 0 [2024-11-08 22:34:59,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:59,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:59,722 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:59,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:59,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:59,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:59,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:59,723 INFO L229 MonitoredProcess]: Starting monitored process 932 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:59,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (932)] Waiting until timeout for monitored process [2024-11-08 22:34:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:59,783 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:59,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:59,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:59,872 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:34:59,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (932)] Ended with exit code 0 [2024-11-08 22:34:59,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:59,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:34:59,886 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:34:59,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:59,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:59,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:59,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:59,887 INFO L229 MonitoredProcess]: Starting monitored process 933 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:59,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (933)] Waiting until timeout for monitored process [2024-11-08 22:34:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:59,946 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:59,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:34:59,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:00,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (933)] Ended with exit code 0 [2024-11-08 22:35:00,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:00,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:00,036 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:00,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:00,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:00,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:00,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:00,038 INFO L229 MonitoredProcess]: Starting monitored process 934 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:00,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (934)] Waiting until timeout for monitored process [2024-11-08 22:35:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:00,098 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:00,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:00,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:00,179 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:00,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (934)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:00,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:00,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:00,189 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:00,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:00,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:00,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:00,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:00,190 INFO L229 MonitoredProcess]: Starting monitored process 935 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:00,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (935)] Waiting until timeout for monitored process [2024-11-08 22:35:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:00,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:00,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:00,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:00,329 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:00,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (935)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:00,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:00,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:00,339 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:00,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:00,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:00,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:00,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:00,340 INFO L229 MonitoredProcess]: Starting monitored process 936 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:00,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (936)] Waiting until timeout for monitored process [2024-11-08 22:35:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:00,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:00,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:00,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:00,480 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:00,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (936)] Ended with exit code 0 [2024-11-08 22:35:00,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:00,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:00,493 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:00,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:00,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:00,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:00,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:00,494 INFO L229 MonitoredProcess]: Starting monitored process 937 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:00,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (937)] Waiting until timeout for monitored process [2024-11-08 22:35:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:00,555 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:00,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:00,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:00,633 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:00,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (937)] Ended with exit code 0 [2024-11-08 22:35:00,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:00,643 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:00,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:00,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:00,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:00,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:00,645 INFO L229 MonitoredProcess]: Starting monitored process 938 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:00,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (938)] Waiting until timeout for monitored process [2024-11-08 22:35:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:00,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:00,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:00,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:00,785 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:00,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (938)] Ended with exit code 0 [2024-11-08 22:35:00,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:00,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:00,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:00,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:00,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:00,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:00,797 INFO L229 MonitoredProcess]: Starting monitored process 939 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:00,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (939)] Waiting until timeout for monitored process [2024-11-08 22:35:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:00,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:00,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:00,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:00,939 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:00,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (939)] Ended with exit code 0 [2024-11-08 22:35:00,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:00,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:00,949 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:00,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:00,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:00,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:00,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:00,950 INFO L229 MonitoredProcess]: Starting monitored process 940 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:00,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (940)] Waiting until timeout for monitored process [2024-11-08 22:35:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:01,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:01,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:01,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:01,094 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:01,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (940)] Ended with exit code 0 [2024-11-08 22:35:01,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:01,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:01,107 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:01,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:01,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:01,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:01,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:01,108 INFO L229 MonitoredProcess]: Starting monitored process 941 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:01,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (941)] Waiting until timeout for monitored process [2024-11-08 22:35:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:01,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:01,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:01,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:01,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (941)] Ended with exit code 0 [2024-11-08 22:35:01,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:01,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:01,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:01,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:01,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:01,262 INFO L229 MonitoredProcess]: Starting monitored process 942 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:01,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (942)] Waiting until timeout for monitored process [2024-11-08 22:35:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:01,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:01,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:01,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:01,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (942)] Ended with exit code 0 [2024-11-08 22:35:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:01,410 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:01,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:01,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:01,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:01,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:01,411 INFO L229 MonitoredProcess]: Starting monitored process 943 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:01,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (943)] Waiting until timeout for monitored process [2024-11-08 22:35:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:01,471 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:01,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:01,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:01,550 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:01,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (943)] Ended with exit code 0 [2024-11-08 22:35:01,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:01,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:01,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:01,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:01,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:01,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:01,561 INFO L229 MonitoredProcess]: Starting monitored process 944 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:01,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (944)] Waiting until timeout for monitored process [2024-11-08 22:35:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:01,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:01,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:01,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:01,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (944)] Ended with exit code 0 [2024-11-08 22:35:01,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:01,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:01,716 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:01,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:01,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:01,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:01,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:01,717 INFO L229 MonitoredProcess]: Starting monitored process 945 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:01,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (945)] Waiting until timeout for monitored process [2024-11-08 22:35:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:01,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:01,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:01,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:01,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (945)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:01,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:01,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:01,866 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:01,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:01,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:01,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:01,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:01,868 INFO L229 MonitoredProcess]: Starting monitored process 946 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:01,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (946)] Waiting until timeout for monitored process [2024-11-08 22:35:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:01,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:01,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:01,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:02,008 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:02,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (946)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:02,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:02,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:02,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:02,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:02,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:02,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:02,020 INFO L229 MonitoredProcess]: Starting monitored process 947 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:02,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (947)] Waiting until timeout for monitored process [2024-11-08 22:35:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:02,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:02,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:02,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:02,160 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:02,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (947)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:02,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:02,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:02,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:02,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:02,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:02,171 INFO L229 MonitoredProcess]: Starting monitored process 948 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:02,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (948)] Waiting until timeout for monitored process [2024-11-08 22:35:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:02,233 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:02,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:02,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:02,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (948)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:02,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:02,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:02,336 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:02,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:02,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:02,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:02,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:02,339 INFO L229 MonitoredProcess]: Starting monitored process 949 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:02,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (949)] Waiting until timeout for monitored process [2024-11-08 22:35:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:02,423 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:02,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:02,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:02,513 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:02,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (949)] Ended with exit code 0 [2024-11-08 22:35:02,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:02,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:02,525 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:02,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:02,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:02,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:02,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:02,528 INFO L229 MonitoredProcess]: Starting monitored process 950 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:02,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (950)] Waiting until timeout for monitored process [2024-11-08 22:35:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:02,618 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:02,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:02,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:02,730 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:02,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (950)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:02,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:02,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:02,740 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:02,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:02,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:02,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:02,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:02,741 INFO L229 MonitoredProcess]: Starting monitored process 951 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:02,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (951)] Waiting until timeout for monitored process [2024-11-08 22:35:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:02,804 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:02,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:02,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:02,907 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:02,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (951)] Ended with exit code 0 [2024-11-08 22:35:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:02,917 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:02,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:02,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:02,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:02,918 INFO L229 MonitoredProcess]: Starting monitored process 952 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:02,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (952)] Waiting until timeout for monitored process [2024-11-08 22:35:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:02,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:02,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:02,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:03,064 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:03,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (952)] Ended with exit code 0 [2024-11-08 22:35:03,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:03,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:03,074 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:03,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:03,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:03,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:03,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:03,075 INFO L229 MonitoredProcess]: Starting monitored process 953 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:03,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (953)] Waiting until timeout for monitored process [2024-11-08 22:35:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:03,135 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:03,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:03,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:03,216 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:03,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (953)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:03,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:03,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:03,226 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:03,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:03,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:03,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:03,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:03,227 INFO L229 MonitoredProcess]: Starting monitored process 954 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:03,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (954)] Waiting until timeout for monitored process [2024-11-08 22:35:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:03,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:03,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:03,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:03,368 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:03,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (954)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:03,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:03,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:03,378 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:03,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:03,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:03,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:03,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:03,379 INFO L229 MonitoredProcess]: Starting monitored process 955 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:03,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (955)] Waiting until timeout for monitored process [2024-11-08 22:35:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:03,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:03,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:03,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:03,521 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:03,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (955)] Ended with exit code 0 [2024-11-08 22:35:03,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:03,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:03,530 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:03,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:03,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:03,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:03,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:03,531 INFO L229 MonitoredProcess]: Starting monitored process 956 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:03,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (956)] Waiting until timeout for monitored process [2024-11-08 22:35:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:03,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:03,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:03,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:03,676 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:03,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (956)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:03,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:03,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:03,686 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:03,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:03,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:03,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:03,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:03,687 INFO L229 MonitoredProcess]: Starting monitored process 957 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:03,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (957)] Waiting until timeout for monitored process [2024-11-08 22:35:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:03,747 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:03,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:03,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:03,829 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:03,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (957)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:03,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:03,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:03,839 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:03,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:03,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:03,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:03,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:03,840 INFO L229 MonitoredProcess]: Starting monitored process 958 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:03,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (958)] Waiting until timeout for monitored process [2024-11-08 22:35:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:03,901 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:03,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:03,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:03,982 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:03,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (958)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:03,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:03,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:03,991 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:03,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:03,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:03,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:03,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:03,992 INFO L229 MonitoredProcess]: Starting monitored process 959 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:03,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (959)] Waiting until timeout for monitored process [2024-11-08 22:35:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:04,051 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:04,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:04,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:04,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (959)] Ended with exit code 0 [2024-11-08 22:35:04,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:04,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:04,143 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:04,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:04,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:04,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:04,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:04,144 INFO L229 MonitoredProcess]: Starting monitored process 960 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:04,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (960)] Waiting until timeout for monitored process [2024-11-08 22:35:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:04,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:04,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:04,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:04,291 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:04,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (960)] Ended with exit code 0 [2024-11-08 22:35:04,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:04,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:04,301 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:04,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:04,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:04,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:04,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:04,302 INFO L229 MonitoredProcess]: Starting monitored process 961 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:04,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (961)] Waiting until timeout for monitored process [2024-11-08 22:35:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:04,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:04,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:04,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:04,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (961)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:04,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:04,451 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:04,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:04,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:04,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:04,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:04,452 INFO L229 MonitoredProcess]: Starting monitored process 962 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:04,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (962)] Waiting until timeout for monitored process [2024-11-08 22:35:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:04,536 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:04,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:04,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:04,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (962)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:04,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:04,630 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:04,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:04,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:04,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:04,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:04,631 INFO L229 MonitoredProcess]: Starting monitored process 963 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:04,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (963)] Waiting until timeout for monitored process [2024-11-08 22:35:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:04,692 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:04,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:04,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:04,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (963)] Ended with exit code 0 [2024-11-08 22:35:04,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:04,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:04,786 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:04,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:04,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:04,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:04,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:04,787 INFO L229 MonitoredProcess]: Starting monitored process 964 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:04,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (964)] Waiting until timeout for monitored process [2024-11-08 22:35:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:04,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:04,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:04,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:04,934 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:04,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (964)] Ended with exit code 0 [2024-11-08 22:35:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:04,943 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:04,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:04,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:04,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:04,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:04,945 INFO L229 MonitoredProcess]: Starting monitored process 965 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:04,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (965)] Waiting until timeout for monitored process [2024-11-08 22:35:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:05,004 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:05,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:05,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:05,083 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:05,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (965)] Ended with exit code 0 [2024-11-08 22:35:05,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:05,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:05,093 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:05,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:05,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:05,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:05,094 INFO L229 MonitoredProcess]: Starting monitored process 966 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:05,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (966)] Waiting until timeout for monitored process [2024-11-08 22:35:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:05,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:05,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:05,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:05,236 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:05,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (966)] Ended with exit code 0 [2024-11-08 22:35:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:05,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:05,245 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:05,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:05,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:05,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:05,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:05,246 INFO L229 MonitoredProcess]: Starting monitored process 967 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:05,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (967)] Waiting until timeout for monitored process [2024-11-08 22:35:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:05,306 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:05,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:05,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:05,387 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:05,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (967)] Ended with exit code 0 [2024-11-08 22:35:05,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:05,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:05,397 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:05,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:05,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:05,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:05,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:05,398 INFO L229 MonitoredProcess]: Starting monitored process 968 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:05,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (968)] Waiting until timeout for monitored process [2024-11-08 22:35:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:05,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:05,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:05,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:05,544 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:05,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (968)] Ended with exit code 0 [2024-11-08 22:35:05,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:05,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:05,554 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:05,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:05,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:05,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:05,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:05,555 INFO L229 MonitoredProcess]: Starting monitored process 969 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:05,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (969)] Waiting until timeout for monitored process [2024-11-08 22:35:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:05,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:05,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:05,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:05,695 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:05,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (969)] Ended with exit code 0 [2024-11-08 22:35:05,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:05,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:05,705 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:05,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:05,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:05,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:05,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:05,706 INFO L229 MonitoredProcess]: Starting monitored process 970 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:05,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (970)] Waiting until timeout for monitored process [2024-11-08 22:35:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:05,766 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:05,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:05,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:05,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (970)] Ended with exit code 0 [2024-11-08 22:35:05,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:05,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:05,856 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:05,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:05,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:05,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:05,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:05,857 INFO L229 MonitoredProcess]: Starting monitored process 971 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:05,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (971)] Waiting until timeout for monitored process [2024-11-08 22:35:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:05,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:05,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:05,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:05,997 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:05,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (971)] Ended with exit code 0 [2024-11-08 22:35:06,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:06,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:06,007 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:06,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:06,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:06,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:06,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:06,008 INFO L229 MonitoredProcess]: Starting monitored process 972 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:06,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (972)] Waiting until timeout for monitored process [2024-11-08 22:35:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:06,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:06,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:06,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:06,149 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:06,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (972)] Ended with exit code 0 [2024-11-08 22:35:06,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:06,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:06,162 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:06,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:06,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:06,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:06,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:06,163 INFO L229 MonitoredProcess]: Starting monitored process 973 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:06,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (973)] Waiting until timeout for monitored process [2024-11-08 22:35:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:06,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:06,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:06,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:06,307 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:06,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (973)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:06,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:06,317 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:06,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:06,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:06,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:06,318 INFO L229 MonitoredProcess]: Starting monitored process 974 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:06,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (974)] Waiting until timeout for monitored process [2024-11-08 22:35:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:06,379 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:06,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:06,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:06,459 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:06,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (974)] Ended with exit code 0 [2024-11-08 22:35:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:06,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:06,468 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:06,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:06,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:06,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:06,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:06,469 INFO L229 MonitoredProcess]: Starting monitored process 975 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:06,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (975)] Waiting until timeout for monitored process [2024-11-08 22:35:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:06,528 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:06,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:06,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:06,609 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:06,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (975)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:06,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:06,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:06,618 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:06,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:06,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:06,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:06,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:06,619 INFO L229 MonitoredProcess]: Starting monitored process 976 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:06,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (976)] Waiting until timeout for monitored process [2024-11-08 22:35:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:06,694 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:06,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:06,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:06,775 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:06,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (976)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:06,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:06,788 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:06,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:06,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:06,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:06,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:06,789 INFO L229 MonitoredProcess]: Starting monitored process 977 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:06,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (977)] Waiting until timeout for monitored process [2024-11-08 22:35:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:06,849 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:06,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:06,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:06,930 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:06,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (977)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:06,940 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:06,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:06,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:06,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:06,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:06,941 INFO L229 MonitoredProcess]: Starting monitored process 978 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:06,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (978)] Waiting until timeout for monitored process [2024-11-08 22:35:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:07,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:07,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:07,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:07,083 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:07,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (978)] Ended with exit code 0 [2024-11-08 22:35:07,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:07,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:07,093 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:07,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:07,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:07,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:07,094 INFO L229 MonitoredProcess]: Starting monitored process 979 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:07,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (979)] Waiting until timeout for monitored process [2024-11-08 22:35:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:07,190 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:07,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:07,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:07,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (979)] Ended with exit code 0 [2024-11-08 22:35:07,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:07,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:07,281 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:07,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:07,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:07,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:07,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:07,282 INFO L229 MonitoredProcess]: Starting monitored process 980 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:07,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (980)] Waiting until timeout for monitored process [2024-11-08 22:35:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:07,342 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:07,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:07,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:07,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (980)] Ended with exit code 0 [2024-11-08 22:35:07,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:07,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:07,437 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:07,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:07,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:07,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:07,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:07,438 INFO L229 MonitoredProcess]: Starting monitored process 981 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:07,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (981)] Waiting until timeout for monitored process [2024-11-08 22:35:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:07,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:07,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:07,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:07,576 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:07,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (981)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:07,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:07,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:07,586 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:07,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:07,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:07,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:07,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:07,587 INFO L229 MonitoredProcess]: Starting monitored process 982 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:07,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (982)] Waiting until timeout for monitored process [2024-11-08 22:35:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:07,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:07,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:07,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:07,729 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:07,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (982)] Ended with exit code 0 [2024-11-08 22:35:07,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:07,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:07,739 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:07,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:07,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:07,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:07,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:07,740 INFO L229 MonitoredProcess]: Starting monitored process 983 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:07,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (983)] Waiting until timeout for monitored process [2024-11-08 22:35:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:07,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:07,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:07,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:07,883 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:07,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (983)] Ended with exit code 0 [2024-11-08 22:35:07,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:07,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:07,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:07,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:07,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:07,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:07,894 INFO L229 MonitoredProcess]: Starting monitored process 984 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:07,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (984)] Waiting until timeout for monitored process [2024-11-08 22:35:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:07,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:07,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:07,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:08,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (984)] Ended with exit code 0 [2024-11-08 22:35:08,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:08,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:08,050 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:08,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:08,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:08,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:08,051 INFO L229 MonitoredProcess]: Starting monitored process 985 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:08,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (985)] Waiting until timeout for monitored process [2024-11-08 22:35:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:08,111 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:08,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:08,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:08,191 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:08,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (985)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:08,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:08,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:08,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:08,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:08,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:08,202 INFO L229 MonitoredProcess]: Starting monitored process 986 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:08,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (986)] Waiting until timeout for monitored process [2024-11-08 22:35:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:08,261 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:08,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:08,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:08,341 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:08,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (986)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:08,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:08,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:08,351 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:08,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:08,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:08,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:08,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:08,352 INFO L229 MonitoredProcess]: Starting monitored process 987 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:08,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (987)] Waiting until timeout for monitored process [2024-11-08 22:35:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:08,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:08,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:08,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:08,491 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:08,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (987)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:08,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:08,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:08,501 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:08,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:08,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:08,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:08,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:08,502 INFO L229 MonitoredProcess]: Starting monitored process 988 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:08,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (988)] Waiting until timeout for monitored process [2024-11-08 22:35:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:08,562 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:08,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:08,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:08,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (988)] Ended with exit code 0 [2024-11-08 22:35:08,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:08,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:08,656 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:08,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:08,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:08,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:08,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:08,657 INFO L229 MonitoredProcess]: Starting monitored process 989 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:08,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (989)] Waiting until timeout for monitored process [2024-11-08 22:35:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:08,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:08,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:08,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:08,795 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:08,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (989)] Ended with exit code 0 [2024-11-08 22:35:08,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:08,804 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:08,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:08,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:08,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:08,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:08,805 INFO L229 MonitoredProcess]: Starting monitored process 990 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:08,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (990)] Waiting until timeout for monitored process [2024-11-08 22:35:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:08,875 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:08,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:08,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:08,957 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:08,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (990)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:08,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:08,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:08,967 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:08,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:08,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:08,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:08,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:08,968 INFO L229 MonitoredProcess]: Starting monitored process 991 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:08,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (991)] Waiting until timeout for monitored process [2024-11-08 22:35:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:09,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:09,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:09,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:09,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (991)] Ended with exit code 0 [2024-11-08 22:35:09,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:09,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:09,116 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:09,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:09,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:09,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:09,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:09,118 INFO L229 MonitoredProcess]: Starting monitored process 992 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:09,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (992)] Waiting until timeout for monitored process [2024-11-08 22:35:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:09,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:09,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:09,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:09,263 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:09,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (992)] Ended with exit code 0 [2024-11-08 22:35:09,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:09,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:09,273 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:09,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:09,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:09,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:09,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:09,274 INFO L229 MonitoredProcess]: Starting monitored process 993 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:09,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (993)] Waiting until timeout for monitored process [2024-11-08 22:35:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:09,338 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:09,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:09,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:09,418 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:09,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (993)] Ended with exit code 0 [2024-11-08 22:35:09,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:09,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:09,427 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:09,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:09,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:09,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:09,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:09,428 INFO L229 MonitoredProcess]: Starting monitored process 994 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:09,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (994)] Waiting until timeout for monitored process [2024-11-08 22:35:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:09,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:09,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:09,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:09,568 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:09,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (994)] Ended with exit code 0 [2024-11-08 22:35:09,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:09,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:09,578 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:09,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:09,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:09,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:09,579 INFO L229 MonitoredProcess]: Starting monitored process 995 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:09,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (995)] Waiting until timeout for monitored process [2024-11-08 22:35:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:09,641 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:09,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:09,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:09,721 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:09,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (995)] Ended with exit code 0 [2024-11-08 22:35:09,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:09,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:09,731 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:09,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:09,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:09,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:09,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:09,732 INFO L229 MonitoredProcess]: Starting monitored process 996 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:09,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (996)] Waiting until timeout for monitored process [2024-11-08 22:35:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:09,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:09,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:09,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:09,876 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:09,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (996)] Ended with exit code 0 [2024-11-08 22:35:09,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:09,885 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:09,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:09,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:09,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:09,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:09,887 INFO L229 MonitoredProcess]: Starting monitored process 997 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:09,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (997)] Waiting until timeout for monitored process [2024-11-08 22:35:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:09,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:09,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:09,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:10,026 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:10,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (997)] Ended with exit code 0 [2024-11-08 22:35:10,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:10,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:10,036 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:10,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:10,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:10,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:10,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:10,037 INFO L229 MonitoredProcess]: Starting monitored process 998 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:10,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (998)] Waiting until timeout for monitored process [2024-11-08 22:35:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:10,097 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:10,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:10,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:10,176 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:10,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (998)] Ended with exit code 0 [2024-11-08 22:35:10,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:10,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:10,186 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:10,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:10,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:10,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:10,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:10,188 INFO L229 MonitoredProcess]: Starting monitored process 999 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:10,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (999)] Waiting until timeout for monitored process [2024-11-08 22:35:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:10,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:10,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:10,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:10,328 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:10,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (999)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:10,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:10,339 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:10,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:10,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:10,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:10,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:10,340 INFO L229 MonitoredProcess]: Starting monitored process 1000 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:10,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1000)] Waiting until timeout for monitored process [2024-11-08 22:35:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:10,400 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:10,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:10,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:10,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1000)] Ended with exit code 0 [2024-11-08 22:35:10,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:10,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:10,493 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:10,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:10,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:10,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:10,494 INFO L229 MonitoredProcess]: Starting monitored process 1001 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:10,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1001)] Waiting until timeout for monitored process [2024-11-08 22:35:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:10,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:10,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:10,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:10,634 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:10,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1001)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:10,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:10,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:10,644 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:10,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:10,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:10,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:10,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:10,646 INFO L229 MonitoredProcess]: Starting monitored process 1002 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:10,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1002)] Waiting until timeout for monitored process [2024-11-08 22:35:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:10,708 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:10,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:10,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:10,792 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:10,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1002)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:10,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:10,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:10,802 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:10,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:10,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:10,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:10,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:10,803 INFO L229 MonitoredProcess]: Starting monitored process 1003 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:10,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1003)] Waiting until timeout for monitored process [2024-11-08 22:35:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:10,887 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:10,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:10,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:10,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1003)] Ended with exit code 0 [2024-11-08 22:35:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:10,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:10,978 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:10,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:10,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:10,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:10,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:10,979 INFO L229 MonitoredProcess]: Starting monitored process 1004 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:10,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1004)] Waiting until timeout for monitored process [2024-11-08 22:35:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:11,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:11,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:11,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:11,129 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:11,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1004)] Ended with exit code 0 [2024-11-08 22:35:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:11,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:11,139 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:11,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:11,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:11,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:11,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:11,140 INFO L229 MonitoredProcess]: Starting monitored process 1005 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:11,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1005)] Waiting until timeout for monitored process [2024-11-08 22:35:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:11,202 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:11,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:11,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:11,280 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:11,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1005)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:11,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:11,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:11,290 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:11,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:11,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:11,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:11,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:11,291 INFO L229 MonitoredProcess]: Starting monitored process 1006 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:11,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1006)] Waiting until timeout for monitored process [2024-11-08 22:35:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:11,351 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:11,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:35:11,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:11,415 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:11,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1006)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:11,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:11,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:11,425 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:11,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:11,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:11,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:11,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:11,426 INFO L229 MonitoredProcess]: Starting monitored process 1007 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:11,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1007)] Waiting until timeout for monitored process [2024-11-08 22:35:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:11,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:11,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:11,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:11,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1007)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:11,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:11,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:11,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:11,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:11,579 INFO L229 MonitoredProcess]: Starting monitored process 1008 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:11,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1008)] Waiting until timeout for monitored process [2024-11-08 22:35:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:11,640 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:11,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:11,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:11,721 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:11,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1008)] Ended with exit code 0 [2024-11-08 22:35:11,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:11,735 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:11,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:11,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:11,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:11,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:11,736 INFO L229 MonitoredProcess]: Starting monitored process 1009 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:11,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1009)] Waiting until timeout for monitored process [2024-11-08 22:35:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:11,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:11,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:11,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:11,875 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:11,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1009)] Ended with exit code 0 [2024-11-08 22:35:11,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:11,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:11,885 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:11,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:11,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:11,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:11,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:11,886 INFO L229 MonitoredProcess]: Starting monitored process 1010 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:11,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1010)] Waiting until timeout for monitored process [2024-11-08 22:35:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:11,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:11,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:11,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:12,025 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:12,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1010)] Ended with exit code 0 [2024-11-08 22:35:12,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:12,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:12,035 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:12,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:12,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:12,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:12,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:12,036 INFO L229 MonitoredProcess]: Starting monitored process 1011 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:12,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1011)] Waiting until timeout for monitored process [2024-11-08 22:35:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:12,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:12,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:12,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:12,176 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:12,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1011)] Ended with exit code 0 [2024-11-08 22:35:12,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:12,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:12,186 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:12,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:12,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:12,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:12,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:12,187 INFO L229 MonitoredProcess]: Starting monitored process 1012 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:12,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1012)] Waiting until timeout for monitored process [2024-11-08 22:35:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:12,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:12,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:12,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:12,328 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:12,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1012)] Ended with exit code 0 [2024-11-08 22:35:12,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:12,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:12,342 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:12,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:12,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:12,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:12,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:12,343 INFO L229 MonitoredProcess]: Starting monitored process 1013 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:12,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1013)] Waiting until timeout for monitored process [2024-11-08 22:35:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:12,404 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:12,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:12,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:12,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:12,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1013)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:12,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:12,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:12,494 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:12,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:12,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:12,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:12,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:12,495 INFO L229 MonitoredProcess]: Starting monitored process 1014 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:12,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1014)] Waiting until timeout for monitored process [2024-11-08 22:35:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:12,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:12,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:12,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:12,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1014)] Ended with exit code 0 [2024-11-08 22:35:12,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:12,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:12,658 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:12,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:12,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:12,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:12,659 INFO L229 MonitoredProcess]: Starting monitored process 1015 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:12,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1015)] Waiting until timeout for monitored process [2024-11-08 22:35:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:12,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:12,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:12,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:12,847 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:12,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1015)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:12,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:12,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:12,860 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:12,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:12,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:12,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:12,863 INFO L229 MonitoredProcess]: Starting monitored process 1016 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:12,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1016)] Waiting until timeout for monitored process [2024-11-08 22:35:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:12,942 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:12,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:12,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:13,023 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:13,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1016)] Ended with exit code 0 [2024-11-08 22:35:13,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:13,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:13,036 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:13,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:13,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:13,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:13,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:13,038 INFO L229 MonitoredProcess]: Starting monitored process 1017 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:13,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1017)] Waiting until timeout for monitored process [2024-11-08 22:35:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:13,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:13,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:13,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:13,175 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:13,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1017)] Ended with exit code 0 [2024-11-08 22:35:13,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:13,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:13,189 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:13,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:13,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:13,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:13,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:13,193 INFO L229 MonitoredProcess]: Starting monitored process 1018 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:13,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1018)] Waiting until timeout for monitored process [2024-11-08 22:35:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:13,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:13,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:13,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:13,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1018)] Ended with exit code 0 [2024-11-08 22:35:13,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:13,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:13,371 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:13,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:13,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:13,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:13,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:13,372 INFO L229 MonitoredProcess]: Starting monitored process 1019 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:13,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1019)] Waiting until timeout for monitored process [2024-11-08 22:35:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:13,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:13,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:13,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:13,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1019)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:13,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:13,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:13,531 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:13,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:13,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:13,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:13,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:13,532 INFO L229 MonitoredProcess]: Starting monitored process 1020 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:13,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1020)] Waiting until timeout for monitored process [2024-11-08 22:35:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:13,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:13,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:13,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:13,670 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:13,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1020)] Ended with exit code 0 [2024-11-08 22:35:13,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:13,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:13,683 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:13,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:13,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:13,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:13,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:13,684 INFO L229 MonitoredProcess]: Starting monitored process 1021 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:13,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1021)] Waiting until timeout for monitored process [2024-11-08 22:35:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:13,743 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:13,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:13,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:13,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1021)] Ended with exit code 0 [2024-11-08 22:35:13,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:13,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:13,835 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:13,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:13,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:13,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:13,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:13,836 INFO L229 MonitoredProcess]: Starting monitored process 1022 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:13,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1022)] Waiting until timeout for monitored process [2024-11-08 22:35:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:13,905 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:13,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:13,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:13,983 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:13,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1022)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:13,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:13,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:13,993 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:13,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:13,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:13,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:13,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:13,994 INFO L229 MonitoredProcess]: Starting monitored process 1023 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:13,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1023)] Waiting until timeout for monitored process [2024-11-08 22:35:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:14,054 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:14,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:14,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:14,133 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:14,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1023)] Ended with exit code 0 [2024-11-08 22:35:14,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:14,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:14,146 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:14,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:14,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:14,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:14,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:14,147 INFO L229 MonitoredProcess]: Starting monitored process 1024 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:14,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1024)] Waiting until timeout for monitored process [2024-11-08 22:35:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:14,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:14,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:14,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:14,308 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:14,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1024)] Ended with exit code 0 [2024-11-08 22:35:14,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:14,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:14,321 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:14,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:14,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:14,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:14,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:14,323 INFO L229 MonitoredProcess]: Starting monitored process 1025 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:14,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1025)] Waiting until timeout for monitored process [2024-11-08 22:35:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:14,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:14,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:14,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:14,462 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:14,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1025)] Ended with exit code 0 [2024-11-08 22:35:14,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:14,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:14,472 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:14,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:14,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:14,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:14,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:14,473 INFO L229 MonitoredProcess]: Starting monitored process 1026 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:14,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1026)] Waiting until timeout for monitored process [2024-11-08 22:35:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:14,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:14,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:14,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:14,616 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:14,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1026)] Ended with exit code 0 [2024-11-08 22:35:14,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:14,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:14,625 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:14,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:14,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:14,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:14,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:14,627 INFO L229 MonitoredProcess]: Starting monitored process 1027 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:14,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1027)] Waiting until timeout for monitored process [2024-11-08 22:35:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:14,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:14,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:14,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:14,779 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:14,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1027)] Ended with exit code 0 [2024-11-08 22:35:14,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:14,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:14,789 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:14,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:14,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:14,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:14,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:14,790 INFO L229 MonitoredProcess]: Starting monitored process 1028 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:14,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1028)] Waiting until timeout for monitored process [2024-11-08 22:35:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:14,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:14,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:14,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:14,937 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:14,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1028)] Ended with exit code 0 [2024-11-08 22:35:14,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:14,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:14,951 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:14,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:14,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:14,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:14,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:14,952 INFO L229 MonitoredProcess]: Starting monitored process 1029 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:14,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1029)] Waiting until timeout for monitored process [2024-11-08 22:35:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:15,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:15,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:15,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:15,091 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:15,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1029)] Ended with exit code 0 [2024-11-08 22:35:15,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:15,101 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:15,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:15,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:15,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:15,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:15,102 INFO L229 MonitoredProcess]: Starting monitored process 1030 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:15,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1030)] Waiting until timeout for monitored process [2024-11-08 22:35:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:15,164 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:15,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:15,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:15,246 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:15,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1030)] Ended with exit code 0 [2024-11-08 22:35:15,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:15,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:15,256 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:15,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:15,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:15,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:15,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:15,257 INFO L229 MonitoredProcess]: Starting monitored process 1031 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:15,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1031)] Waiting until timeout for monitored process [2024-11-08 22:35:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:15,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:15,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:15,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:15,397 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:15,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1031)] Ended with exit code 0 [2024-11-08 22:35:15,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:15,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:15,406 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:15,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:15,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:15,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:15,407 INFO L229 MonitoredProcess]: Starting monitored process 1032 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:15,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1032)] Waiting until timeout for monitored process [2024-11-08 22:35:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:15,469 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:15,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:15,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:15,550 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:15,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1032)] Ended with exit code 0 [2024-11-08 22:35:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:15,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:15,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:15,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:15,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:15,564 INFO L229 MonitoredProcess]: Starting monitored process 1033 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:15,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1033)] Waiting until timeout for monitored process [2024-11-08 22:35:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:15,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:15,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:15,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:15,702 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:15,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1033)] Ended with exit code 0 [2024-11-08 22:35:15,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:15,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:15,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:15,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:15,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:15,713 INFO L229 MonitoredProcess]: Starting monitored process 1034 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:15,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1034)] Waiting until timeout for monitored process [2024-11-08 22:35:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:15,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:15,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:15,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:15,855 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:15,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1034)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:15,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:15,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:15,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:15,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:15,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:15,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:15,866 INFO L229 MonitoredProcess]: Starting monitored process 1035 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:15,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1035)] Waiting until timeout for monitored process [2024-11-08 22:35:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:15,929 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:15,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:15,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:16,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1035)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:16,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:16,020 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:16,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:16,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:16,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:16,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:16,021 INFO L229 MonitoredProcess]: Starting monitored process 1036 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:16,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1036)] Waiting until timeout for monitored process [2024-11-08 22:35:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:16,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:16,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:16,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:16,163 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:16,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1036)] Ended with exit code 0 [2024-11-08 22:35:16,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:16,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:16,179 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:16,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:16,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:16,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:16,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:16,180 INFO L229 MonitoredProcess]: Starting monitored process 1037 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:16,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1037)] Waiting until timeout for monitored process [2024-11-08 22:35:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:16,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:16,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:16,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:16,318 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:16,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1037)] Ended with exit code 0 [2024-11-08 22:35:16,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:16,328 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:16,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:16,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:16,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:16,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:16,329 INFO L229 MonitoredProcess]: Starting monitored process 1038 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:16,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1038)] Waiting until timeout for monitored process [2024-11-08 22:35:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:16,389 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:16,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:16,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:16,468 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:16,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1038)] Ended with exit code 0 [2024-11-08 22:35:16,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:16,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:16,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:16,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:16,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:16,479 INFO L229 MonitoredProcess]: Starting monitored process 1039 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:16,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1039)] Waiting until timeout for monitored process [2024-11-08 22:35:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:16,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:16,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:16,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:16,618 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:16,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1039)] Ended with exit code 0 [2024-11-08 22:35:16,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:16,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:16,627 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:16,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:16,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:16,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:16,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:16,628 INFO L229 MonitoredProcess]: Starting monitored process 1040 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:16,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1040)] Waiting until timeout for monitored process [2024-11-08 22:35:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:16,687 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:16,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:16,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:16,772 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:16,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1040)] Ended with exit code 0 [2024-11-08 22:35:16,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:16,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:16,782 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:16,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:16,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:16,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:16,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:16,783 INFO L229 MonitoredProcess]: Starting monitored process 1041 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:16,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1041)] Waiting until timeout for monitored process [2024-11-08 22:35:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:16,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:16,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:16,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:16,923 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:16,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1041)] Ended with exit code 0 [2024-11-08 22:35:16,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:16,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:16,934 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:16,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:16,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:16,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:16,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:16,935 INFO L229 MonitoredProcess]: Starting monitored process 1042 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:16,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1042)] Waiting until timeout for monitored process [2024-11-08 22:35:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:17,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:17,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:17,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:17,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1042)] Ended with exit code 0 [2024-11-08 22:35:17,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:17,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:17,094 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:17,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:17,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:17,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:17,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:17,095 INFO L229 MonitoredProcess]: Starting monitored process 1043 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:17,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1043)] Waiting until timeout for monitored process [2024-11-08 22:35:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:17,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:17,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:17,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:17,237 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:17,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1043)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:17,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:17,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:17,247 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:17,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:17,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:17,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:17,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:17,249 INFO L229 MonitoredProcess]: Starting monitored process 1044 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:17,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1044)] Waiting until timeout for monitored process [2024-11-08 22:35:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:17,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:17,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:17,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:17,392 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:17,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1044)] Ended with exit code 0 [2024-11-08 22:35:17,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:17,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:17,402 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:17,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:17,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:17,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:17,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:17,403 INFO L229 MonitoredProcess]: Starting monitored process 1045 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:17,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1045)] Waiting until timeout for monitored process [2024-11-08 22:35:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:17,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:17,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:17,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:17,543 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:17,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1045)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:17,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:17,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:17,553 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:17,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:17,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:17,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:17,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:17,554 INFO L229 MonitoredProcess]: Starting monitored process 1046 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:17,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1046)] Waiting until timeout for monitored process [2024-11-08 22:35:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:17,613 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:17,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:17,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:17,693 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:17,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1046)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:17,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:17,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:17,702 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:17,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:17,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:17,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:17,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:17,703 INFO L229 MonitoredProcess]: Starting monitored process 1047 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:17,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1047)] Waiting until timeout for monitored process [2024-11-08 22:35:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:17,765 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:17,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:17,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:17,846 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:17,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1047)] Ended with exit code 0 [2024-11-08 22:35:17,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:17,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:17,855 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:17,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:17,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:17,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:17,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:17,856 INFO L229 MonitoredProcess]: Starting monitored process 1048 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:17,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1048)] Waiting until timeout for monitored process [2024-11-08 22:35:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:17,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:17,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:17,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:18,001 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:18,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1048)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:18,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:18,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:18,011 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:18,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:18,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:18,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:18,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:18,012 INFO L229 MonitoredProcess]: Starting monitored process 1049 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:18,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1049)] Waiting until timeout for monitored process [2024-11-08 22:35:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:18,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:18,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:18,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:18,153 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:18,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1049)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:18,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:18,162 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:18,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:18,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:18,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:18,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:18,163 INFO L229 MonitoredProcess]: Starting monitored process 1050 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:18,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1050)] Waiting until timeout for monitored process [2024-11-08 22:35:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:18,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:18,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:18,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:18,304 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:18,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1050)] Ended with exit code 0 [2024-11-08 22:35:18,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:18,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:18,314 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:18,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:18,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:18,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:18,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:18,315 INFO L229 MonitoredProcess]: Starting monitored process 1051 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:18,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1051)] Waiting until timeout for monitored process [2024-11-08 22:35:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:18,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:18,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:18,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:18,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1051)] Ended with exit code 0 [2024-11-08 22:35:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:18,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:18,469 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:18,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:18,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:18,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:18,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:18,470 INFO L229 MonitoredProcess]: Starting monitored process 1052 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:18,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1052)] Waiting until timeout for monitored process [2024-11-08 22:35:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:18,531 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:18,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:18,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:18,614 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:18,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1052)] Ended with exit code 0 [2024-11-08 22:35:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:18,624 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:18,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:18,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:18,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:18,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:18,625 INFO L229 MonitoredProcess]: Starting monitored process 1053 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:18,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1053)] Waiting until timeout for monitored process [2024-11-08 22:35:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:18,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:18,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:18,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:18,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1053)] Ended with exit code 0 [2024-11-08 22:35:18,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:18,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:18,778 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:18,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:18,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:18,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:18,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:18,779 INFO L229 MonitoredProcess]: Starting monitored process 1054 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:18,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1054)] Waiting until timeout for monitored process [2024-11-08 22:35:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:18,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:18,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:18,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:18,926 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:18,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1054)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:18,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:18,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:18,936 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:18,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:18,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:18,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:18,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:18,937 INFO L229 MonitoredProcess]: Starting monitored process 1055 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:18,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1055)] Waiting until timeout for monitored process [2024-11-08 22:35:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:18,997 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:19,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:19,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:19,077 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:19,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1055)] Ended with exit code 0 [2024-11-08 22:35:19,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:19,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:19,087 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:19,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:19,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:19,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:19,088 INFO L229 MonitoredProcess]: Starting monitored process 1056 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:19,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1056)] Waiting until timeout for monitored process [2024-11-08 22:35:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:19,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:19,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:19,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:19,234 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:19,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1056)] Ended with exit code 0 [2024-11-08 22:35:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:19,244 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:19,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:19,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:19,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:19,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:19,245 INFO L229 MonitoredProcess]: Starting monitored process 1057 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:19,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1057)] Waiting until timeout for monitored process [2024-11-08 22:35:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:19,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:19,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:19,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:19,395 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:19,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1057)] Ended with exit code 0 [2024-11-08 22:35:19,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:19,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:19,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:19,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:19,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:19,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:19,407 INFO L229 MonitoredProcess]: Starting monitored process 1058 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:19,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1058)] Waiting until timeout for monitored process [2024-11-08 22:35:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:19,467 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:19,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:19,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:19,547 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:19,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1058)] Ended with exit code 0 [2024-11-08 22:35:19,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:19,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:19,557 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:19,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:19,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:19,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:19,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:19,558 INFO L229 MonitoredProcess]: Starting monitored process 1059 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:19,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1059)] Waiting until timeout for monitored process [2024-11-08 22:35:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:19,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:19,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:19,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:19,698 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:19,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1059)] Ended with exit code 0 [2024-11-08 22:35:19,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:19,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:19,707 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:19,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:19,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:19,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:19,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:19,709 INFO L229 MonitoredProcess]: Starting monitored process 1060 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:19,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1060)] Waiting until timeout for monitored process [2024-11-08 22:35:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:19,768 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:19,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:19,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:19,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1060)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:19,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:19,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:19,861 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:19,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:19,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:19,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:19,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:19,862 INFO L229 MonitoredProcess]: Starting monitored process 1061 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:19,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1061)] Waiting until timeout for monitored process [2024-11-08 22:35:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:19,922 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:19,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:19,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:20,002 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:20,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1061)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:20,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:20,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:20,012 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:20,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:20,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:20,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:20,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:20,013 INFO L229 MonitoredProcess]: Starting monitored process 1062 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:20,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1062)] Waiting until timeout for monitored process [2024-11-08 22:35:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:20,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:20,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:20,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:20,159 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:20,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1062)] Ended with exit code 0 [2024-11-08 22:35:20,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:20,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:20,169 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:20,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:20,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:20,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:20,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:20,170 INFO L229 MonitoredProcess]: Starting monitored process 1063 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:20,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1063)] Waiting until timeout for monitored process [2024-11-08 22:35:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:20,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:20,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:20,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:20,311 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:20,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1063)] Ended with exit code 0 [2024-11-08 22:35:20,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:20,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:20,321 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:20,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:20,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:20,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:20,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:20,322 INFO L229 MonitoredProcess]: Starting monitored process 1064 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:20,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1064)] Waiting until timeout for monitored process [2024-11-08 22:35:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:20,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:20,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:20,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:20,464 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:20,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1064)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:20,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:20,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:20,478 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:20,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:20,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:20,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:20,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:20,479 INFO L229 MonitoredProcess]: Starting monitored process 1065 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:20,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1065)] Waiting until timeout for monitored process [2024-11-08 22:35:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:20,541 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:20,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:20,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:20,621 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:20,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1065)] Ended with exit code 0 [2024-11-08 22:35:20,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:20,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:20,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:20,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:20,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:20,632 INFO L229 MonitoredProcess]: Starting monitored process 1066 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:20,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1066)] Waiting until timeout for monitored process [2024-11-08 22:35:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:20,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:20,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:20,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:20,774 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:20,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1066)] Ended with exit code 0 [2024-11-08 22:35:20,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:20,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:20,789 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:20,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:20,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:20,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:20,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:20,792 INFO L229 MonitoredProcess]: Starting monitored process 1067 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:20,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1067)] Waiting until timeout for monitored process [2024-11-08 22:35:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:20,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:20,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:20,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:20,946 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:20,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1067)] Ended with exit code 0 [2024-11-08 22:35:20,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:20,956 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:20,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:20,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:20,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:20,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:20,957 INFO L229 MonitoredProcess]: Starting monitored process 1068 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:20,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1068)] Waiting until timeout for monitored process [2024-11-08 22:35:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:21,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:21,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:21,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:21,098 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:21,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1068)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:21,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:21,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:21,112 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:21,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:21,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:21,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:21,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:21,113 INFO L229 MonitoredProcess]: Starting monitored process 1069 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:21,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1069)] Waiting until timeout for monitored process [2024-11-08 22:35:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:21,185 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:21,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:21,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:21,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1069)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:21,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:21,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:21,275 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:21,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:21,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:21,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:21,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:21,276 INFO L229 MonitoredProcess]: Starting monitored process 1070 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:21,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1070)] Waiting until timeout for monitored process [2024-11-08 22:35:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:21,362 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:21,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:21,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:21,439 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:21,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1070)] Ended with exit code 0 [2024-11-08 22:35:21,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:21,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:21,449 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:21,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:21,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:21,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:21,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:21,451 INFO L229 MonitoredProcess]: Starting monitored process 1071 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:21,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1071)] Waiting until timeout for monitored process [2024-11-08 22:35:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:21,515 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:21,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:21,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:21,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1071)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:21,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:21,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:21,608 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:21,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:21,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:21,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:21,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:21,609 INFO L229 MonitoredProcess]: Starting monitored process 1072 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:21,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1072)] Waiting until timeout for monitored process [2024-11-08 22:35:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:21,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:21,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:21,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:21,749 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:21,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1072)] Ended with exit code 0 [2024-11-08 22:35:21,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:21,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:21,762 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:21,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:21,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:21,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:21,763 INFO L229 MonitoredProcess]: Starting monitored process 1073 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:21,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1073)] Waiting until timeout for monitored process [2024-11-08 22:35:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:21,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:21,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:21,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:21,901 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:21,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1073)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:21,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:21,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:21,910 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:21,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:21,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:21,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:21,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:21,912 INFO L229 MonitoredProcess]: Starting monitored process 1074 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:21,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1074)] Waiting until timeout for monitored process [2024-11-08 22:35:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:21,977 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:21,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:21,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:22,057 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:22,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1074)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:22,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:22,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:22,067 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:22,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:22,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:22,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:22,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:22,069 INFO L229 MonitoredProcess]: Starting monitored process 1075 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:22,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1075)] Waiting until timeout for monitored process [2024-11-08 22:35:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:22,135 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:22,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:22,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:22,215 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:22,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1075)] Ended with exit code 0 [2024-11-08 22:35:22,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:22,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:22,225 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:22,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:22,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:22,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:22,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:22,226 INFO L229 MonitoredProcess]: Starting monitored process 1076 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:22,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1076)] Waiting until timeout for monitored process [2024-11-08 22:35:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:22,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:22,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:22,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:22,369 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:22,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1076)] Ended with exit code 0 [2024-11-08 22:35:22,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:22,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:22,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:22,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:22,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:22,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:22,385 INFO L229 MonitoredProcess]: Starting monitored process 1077 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:22,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1077)] Waiting until timeout for monitored process [2024-11-08 22:35:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:22,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:22,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:22,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:22,530 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:22,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1077)] Ended with exit code 0 [2024-11-08 22:35:22,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:22,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:22,545 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:22,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:22,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:22,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:22,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:22,548 INFO L229 MonitoredProcess]: Starting monitored process 1078 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:22,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1078)] Waiting until timeout for monitored process [2024-11-08 22:35:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:22,643 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:22,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:22,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:22,744 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:22,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1078)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:22,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:22,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:22,754 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:22,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:22,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:22,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:22,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:22,755 INFO L229 MonitoredProcess]: Starting monitored process 1079 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:22,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1079)] Waiting until timeout for monitored process [2024-11-08 22:35:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:22,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:22,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:22,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:22,902 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:22,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1079)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:22,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:22,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:22,913 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:22,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:22,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:22,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:22,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:22,914 INFO L229 MonitoredProcess]: Starting monitored process 1080 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:22,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1080)] Waiting until timeout for monitored process [2024-11-08 22:35:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:22,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:22,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:22,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:23,055 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:23,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1080)] Ended with exit code 0 [2024-11-08 22:35:23,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:23,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:23,067 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:23,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:23,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:23,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:23,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:23,069 INFO L229 MonitoredProcess]: Starting monitored process 1081 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:23,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1081)] Waiting until timeout for monitored process [2024-11-08 22:35:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:23,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:23,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:23,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:23,214 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:23,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1081)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:23,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:23,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:23,225 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:23,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:23,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:23,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:23,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:23,226 INFO L229 MonitoredProcess]: Starting monitored process 1082 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:23,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1082)] Waiting until timeout for monitored process [2024-11-08 22:35:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:23,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:23,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:23,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:23,367 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:23,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1082)] Ended with exit code 0 [2024-11-08 22:35:23,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:23,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:23,377 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:23,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:23,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:23,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:23,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:23,378 INFO L229 MonitoredProcess]: Starting monitored process 1083 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:23,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1083)] Waiting until timeout for monitored process [2024-11-08 22:35:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:23,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:23,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:23,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:23,518 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:23,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1083)] Ended with exit code 0 [2024-11-08 22:35:23,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:23,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:23,528 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:23,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:23,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:23,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:23,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:23,529 INFO L229 MonitoredProcess]: Starting monitored process 1084 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:23,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1084)] Waiting until timeout for monitored process [2024-11-08 22:35:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:23,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:23,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:23,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:23,673 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:23,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1084)] Ended with exit code 0 [2024-11-08 22:35:23,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:23,682 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:23,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:23,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:23,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:23,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:23,684 INFO L229 MonitoredProcess]: Starting monitored process 1085 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:23,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1085)] Waiting until timeout for monitored process [2024-11-08 22:35:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:23,744 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:23,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:23,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:23,824 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:23,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1085)] Ended with exit code 0 [2024-11-08 22:35:23,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:23,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:23,834 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:23,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:23,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:23,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:23,835 INFO L229 MonitoredProcess]: Starting monitored process 1086 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:23,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1086)] Waiting until timeout for monitored process [2024-11-08 22:35:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:23,900 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:23,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:23,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:23,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1086)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:23,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:23,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:23,991 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:23,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:23,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:23,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:23,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:23,992 INFO L229 MonitoredProcess]: Starting monitored process 1087 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:23,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1087)] Waiting until timeout for monitored process [2024-11-08 22:35:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,052 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:24,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:24,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1087)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:24,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:24,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:24,141 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:24,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:24,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:24,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:24,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:24,143 INFO L229 MonitoredProcess]: Starting monitored process 1088 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:24,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1088)] Waiting until timeout for monitored process [2024-11-08 22:35:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:24,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:24,285 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:24,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1088)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:24,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:24,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:24,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:24,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:24,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:24,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:24,296 INFO L229 MonitoredProcess]: Starting monitored process 1089 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:24,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1089)] Waiting until timeout for monitored process [2024-11-08 22:35:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:24,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:24,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1089)] Ended with exit code 0 [2024-11-08 22:35:24,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:24,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:24,445 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:24,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:24,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:24,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:24,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:24,446 INFO L229 MonitoredProcess]: Starting monitored process 1090 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:24,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1090)] Waiting until timeout for monitored process [2024-11-08 22:35:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:24,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:24,584 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:24,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1090)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:24,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:24,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:24,594 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:24,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:24,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:24,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:24,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:24,595 INFO L229 MonitoredProcess]: Starting monitored process 1091 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:24,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1091)] Waiting until timeout for monitored process [2024-11-08 22:35:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,656 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:24,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:24,735 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:24,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1091)] Ended with exit code 0 [2024-11-08 22:35:24,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:24,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:24,745 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:24,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:24,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:24,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:24,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:24,746 INFO L229 MonitoredProcess]: Starting monitored process 1092 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:24,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1092)] Waiting until timeout for monitored process [2024-11-08 22:35:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:24,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:24,889 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:24,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1092)] Ended with exit code 0 [2024-11-08 22:35:24,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:24,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:24,899 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:24,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:24,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:24,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:24,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:24,900 INFO L229 MonitoredProcess]: Starting monitored process 1093 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:24,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1093)] Waiting until timeout for monitored process [2024-11-08 22:35:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:24,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:25,041 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:25,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1093)] Ended with exit code 0 [2024-11-08 22:35:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:25,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:25,051 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:25,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:25,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:25,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:25,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:25,052 INFO L229 MonitoredProcess]: Starting monitored process 1094 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:25,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1094)] Waiting until timeout for monitored process [2024-11-08 22:35:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:25,111 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:25,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:25,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:25,193 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:25,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1094)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:25,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:25,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:25,202 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:25,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:25,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:25,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:25,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:25,203 INFO L229 MonitoredProcess]: Starting monitored process 1095 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:25,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1095)] Waiting until timeout for monitored process [2024-11-08 22:35:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:25,263 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:25,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:25,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:25,343 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:25,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1095)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:25,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:25,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:25,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:25,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:25,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:25,354 INFO L229 MonitoredProcess]: Starting monitored process 1096 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:25,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1096)] Waiting until timeout for monitored process [2024-11-08 22:35:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:25,415 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:25,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:25,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:25,496 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:25,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1096)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:25,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:25,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:25,508 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:25,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:25,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:25,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:25,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:25,509 INFO L229 MonitoredProcess]: Starting monitored process 1097 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:25,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1097)] Waiting until timeout for monitored process [2024-11-08 22:35:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:25,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:25,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:25,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:25,647 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:25,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1097)] Ended with exit code 0 [2024-11-08 22:35:25,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:25,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:25,657 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:25,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:25,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:25,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:25,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:25,658 INFO L229 MonitoredProcess]: Starting monitored process 1098 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:25,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1098)] Waiting until timeout for monitored process [2024-11-08 22:35:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:25,718 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:25,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:25,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:25,798 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:25,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1098)] Ended with exit code 0 [2024-11-08 22:35:25,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:25,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:25,808 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:25,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:25,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:25,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:25,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:25,809 INFO L229 MonitoredProcess]: Starting monitored process 1099 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:25,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1099)] Waiting until timeout for monitored process [2024-11-08 22:35:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:25,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:25,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:25,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:25,950 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:25,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1099)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:25,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:25,959 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:25,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:25,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:25,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:25,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:25,961 INFO L229 MonitoredProcess]: Starting monitored process 1100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:25,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1100)] Waiting until timeout for monitored process [2024-11-08 22:35:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:26,021 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:26,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:26,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:26,101 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:26,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1100)] Ended with exit code 0 [2024-11-08 22:35:26,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:26,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:26,115 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:26,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:26,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:26,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:26,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:26,116 INFO L229 MonitoredProcess]: Starting monitored process 1101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:26,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1101)] Waiting until timeout for monitored process [2024-11-08 22:35:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:26,177 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:26,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:26,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:26,257 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:26,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1101)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:26,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:26,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:26,267 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:26,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:26,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:26,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:26,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:26,268 INFO L229 MonitoredProcess]: Starting monitored process 1102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:26,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1102)] Waiting until timeout for monitored process [2024-11-08 22:35:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:26,329 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:26,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:26,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:26,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1102)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:26,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:26,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:26,419 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:26,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:26,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:26,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:26,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:26,420 INFO L229 MonitoredProcess]: Starting monitored process 1103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:26,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1103)] Waiting until timeout for monitored process [2024-11-08 22:35:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:26,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:26,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:26,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:26,561 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:26,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1103)] Ended with exit code 0 [2024-11-08 22:35:26,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:26,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:26,571 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:26,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:26,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:26,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:26,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:26,572 INFO L229 MonitoredProcess]: Starting monitored process 1104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:26,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1104)] Waiting until timeout for monitored process [2024-11-08 22:35:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:26,633 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:26,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:26,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:26,712 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:26,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1104)] Ended with exit code 0 [2024-11-08 22:35:26,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:26,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:26,727 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:26,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:26,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:26,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:26,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:26,728 INFO L229 MonitoredProcess]: Starting monitored process 1105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:26,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1105)] Waiting until timeout for monitored process [2024-11-08 22:35:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:26,789 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:26,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:26,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:26,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1105)] Ended with exit code 0 [2024-11-08 22:35:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:26,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:26,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:26,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:26,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:26,880 INFO L229 MonitoredProcess]: Starting monitored process 1106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:26,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1106)] Waiting until timeout for monitored process [2024-11-08 22:35:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:26,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:26,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:26,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:27,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1106)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:27,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:27,032 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:27,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:27,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:27,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:27,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:27,033 INFO L229 MonitoredProcess]: Starting monitored process 1107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:27,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1107)] Waiting until timeout for monitored process [2024-11-08 22:35:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:27,093 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:27,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:27,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:27,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1107)] Ended with exit code 0 [2024-11-08 22:35:27,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:27,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:27,184 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:27,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:27,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:27,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:27,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:27,185 INFO L229 MonitoredProcess]: Starting monitored process 1108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:27,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1108)] Waiting until timeout for monitored process [2024-11-08 22:35:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:27,245 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:27,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:27,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:27,326 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:27,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1108)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:27,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:27,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:27,340 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:27,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:27,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:27,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:27,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:27,341 INFO L229 MonitoredProcess]: Starting monitored process 1109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:27,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1109)] Waiting until timeout for monitored process [2024-11-08 22:35:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:27,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:27,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:27,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:27,481 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:27,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1109)] Ended with exit code 0 [2024-11-08 22:35:27,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:27,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:27,491 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:27,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:27,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:27,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:27,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:27,493 INFO L229 MonitoredProcess]: Starting monitored process 1110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:27,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1110)] Waiting until timeout for monitored process [2024-11-08 22:35:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:27,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:27,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:27,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:27,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1110)] Ended with exit code 0 [2024-11-08 22:35:27,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:27,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:27,642 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:27,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:27,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:27,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:27,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:27,643 INFO L229 MonitoredProcess]: Starting monitored process 1111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:27,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1111)] Waiting until timeout for monitored process [2024-11-08 22:35:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:27,703 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:27,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:27,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:27,783 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:27,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1111)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:27,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:27,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:27,793 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:27,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:27,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:27,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:27,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:27,794 INFO L229 MonitoredProcess]: Starting monitored process 1112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:27,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1112)] Waiting until timeout for monitored process [2024-11-08 22:35:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:27,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:27,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:27,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:27,937 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:27,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1112)] Ended with exit code 0 [2024-11-08 22:35:27,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:27,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:27,948 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:27,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:27,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:27,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:27,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:27,949 INFO L229 MonitoredProcess]: Starting monitored process 1113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:27,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1113)] Waiting until timeout for monitored process [2024-11-08 22:35:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:28,010 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:28,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:28,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:28,099 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:28,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1113)] Ended with exit code 0 [2024-11-08 22:35:28,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:28,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:28,111 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:28,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:28,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:28,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:28,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:28,114 INFO L229 MonitoredProcess]: Starting monitored process 1114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:28,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1114)] Waiting until timeout for monitored process [2024-11-08 22:35:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:28,197 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:28,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:28,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:28,294 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:28,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1114)] Ended with exit code 0 [2024-11-08 22:35:28,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:28,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:28,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:28,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:28,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:28,309 INFO L229 MonitoredProcess]: Starting monitored process 1115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:28,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1115)] Waiting until timeout for monitored process [2024-11-08 22:35:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:28,392 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:28,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:28,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:28,489 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:28,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1115)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:28,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:28,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:28,503 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:28,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:28,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:28,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:28,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:28,506 INFO L229 MonitoredProcess]: Starting monitored process 1116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:28,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1116)] Waiting until timeout for monitored process [2024-11-08 22:35:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:28,574 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:28,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:28,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:28,658 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:28,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1116)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:28,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:28,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:28,668 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:28,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:28,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:28,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:28,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:28,669 INFO L229 MonitoredProcess]: Starting monitored process 1117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:28,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1117)] Waiting until timeout for monitored process [2024-11-08 22:35:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:28,738 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:28,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:28,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:28,816 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:28,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1117)] Ended with exit code 0 [2024-11-08 22:35:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:28,825 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:28,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:28,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:28,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:28,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:28,826 INFO L229 MonitoredProcess]: Starting monitored process 1118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:28,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1118)] Waiting until timeout for monitored process [2024-11-08 22:35:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:28,886 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:28,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:28,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:28,965 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:28,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1118)] Ended with exit code 0 [2024-11-08 22:35:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:28,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:28,975 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:28,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:28,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:28,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:28,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:28,976 INFO L229 MonitoredProcess]: Starting monitored process 1119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:28,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1119)] Waiting until timeout for monitored process [2024-11-08 22:35:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,040 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:29,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:29,119 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:29,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1119)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:29,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:29,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:29,129 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:29,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:29,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:29,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:29,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:29,130 INFO L229 MonitoredProcess]: Starting monitored process 1120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:29,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1120)] Waiting until timeout for monitored process [2024-11-08 22:35:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:29,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:29,298 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:29,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1120)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:29,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:29,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:29,310 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:29,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:29,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:29,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:29,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:29,311 INFO L229 MonitoredProcess]: Starting monitored process 1121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:29,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1121)] Waiting until timeout for monitored process [2024-11-08 22:35:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,369 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:29,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:29,449 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:29,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1121)] Ended with exit code 0 [2024-11-08 22:35:29,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:29,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:29,459 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:29,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:29,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:29,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:29,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:29,460 INFO L229 MonitoredProcess]: Starting monitored process 1122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:29,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1122)] Waiting until timeout for monitored process [2024-11-08 22:35:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:29,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:29,599 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:29,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1122)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:29,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:29,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:29,608 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:29,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:29,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:29,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:29,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:29,609 INFO L229 MonitoredProcess]: Starting monitored process 1123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:29,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1123)] Waiting until timeout for monitored process [2024-11-08 22:35:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,668 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:29,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:29,747 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:29,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1123)] Ended with exit code 0 [2024-11-08 22:35:29,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:29,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:29,757 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:29,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:29,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:29,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:29,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:29,758 INFO L229 MonitoredProcess]: Starting monitored process 1124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:29,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1124)] Waiting until timeout for monitored process [2024-11-08 22:35:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:29,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:29,895 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:29,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1124)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:29,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:29,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:29,911 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:29,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:29,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:29,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:29,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:29,912 INFO L229 MonitoredProcess]: Starting monitored process 1125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:29,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1125)] Waiting until timeout for monitored process [2024-11-08 22:35:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:29,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:30,050 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:30,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1125)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:30,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:30,060 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:30,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:30,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:30,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:30,061 INFO L229 MonitoredProcess]: Starting monitored process 1126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:30,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1126)] Waiting until timeout for monitored process [2024-11-08 22:35:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,119 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:30,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:30,198 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:30,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1126)] Ended with exit code 0 [2024-11-08 22:35:30,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:30,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:30,208 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:30,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:30,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:30,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:30,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:30,209 INFO L229 MonitoredProcess]: Starting monitored process 1127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:30,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1127)] Waiting until timeout for monitored process [2024-11-08 22:35:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:30,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:30,349 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:30,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1127)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:30,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:30,359 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:30,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:30,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:30,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:30,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:30,360 INFO L229 MonitoredProcess]: Starting monitored process 1128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:30,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1128)] Waiting until timeout for monitored process [2024-11-08 22:35:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:30,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:30,502 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:30,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1128)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:30,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:30,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:30,515 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:30,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:30,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:30,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:30,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:30,517 INFO L229 MonitoredProcess]: Starting monitored process 1129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:30,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1129)] Waiting until timeout for monitored process [2024-11-08 22:35:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:30,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:30,654 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:30,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1129)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:30,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:30,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:30,665 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:30,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:30,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:30,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:30,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:30,666 INFO L229 MonitoredProcess]: Starting monitored process 1130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:30,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1130)] Waiting until timeout for monitored process [2024-11-08 22:35:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,726 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:30,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:30,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1130)] Ended with exit code 0 [2024-11-08 22:35:30,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:30,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:30,820 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:30,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:30,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:30,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:30,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:30,821 INFO L229 MonitoredProcess]: Starting monitored process 1131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:30,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1131)] Waiting until timeout for monitored process [2024-11-08 22:35:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,881 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:30,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:30,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1131)] Ended with exit code 0 [2024-11-08 22:35:30,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:30,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:30,971 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:30,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:30,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:30,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:30,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:30,972 INFO L229 MonitoredProcess]: Starting monitored process 1132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:30,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1132)] Waiting until timeout for monitored process [2024-11-08 22:35:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,032 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:31,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:31,110 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:31,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1132)] Ended with exit code 0 [2024-11-08 22:35:31,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:31,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:31,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:31,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:31,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:31,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:31,125 INFO L229 MonitoredProcess]: Starting monitored process 1133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:31,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1133)] Waiting until timeout for monitored process [2024-11-08 22:35:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,187 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:31,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:31,266 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:31,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1133)] Ended with exit code 0 [2024-11-08 22:35:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:31,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:31,276 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:31,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:31,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:31,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:31,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:31,277 INFO L229 MonitoredProcess]: Starting monitored process 1134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:31,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1134)] Waiting until timeout for monitored process [2024-11-08 22:35:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,337 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:31,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:31,415 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:31,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1134)] Ended with exit code 0 [2024-11-08 22:35:31,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:31,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:31,425 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:31,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:31,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:31,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:31,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:31,426 INFO L229 MonitoredProcess]: Starting monitored process 1135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:31,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1135)] Waiting until timeout for monitored process [2024-11-08 22:35:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,485 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:31,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:31,564 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:31,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1135)] Ended with exit code 0 [2024-11-08 22:35:31,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:31,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:31,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:31,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:31,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:31,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:31,575 INFO L229 MonitoredProcess]: Starting monitored process 1136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:31,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1136)] Waiting until timeout for monitored process [2024-11-08 22:35:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,634 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:31,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:31,713 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:31,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1136)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:31,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:31,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:31,726 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:31,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:31,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:31,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:31,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:31,727 INFO L229 MonitoredProcess]: Starting monitored process 1137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:31,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1137)] Waiting until timeout for monitored process [2024-11-08 22:35:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:31,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:31,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1137)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:31,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:31,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:31,874 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:31,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:31,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:31,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:31,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:31,876 INFO L229 MonitoredProcess]: Starting monitored process 1138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:31,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1138)] Waiting until timeout for monitored process [2024-11-08 22:35:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:31,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:32,012 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:32,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1138)] Ended with exit code 0 [2024-11-08 22:35:32,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:32,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:32,022 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:32,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:32,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:32,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:32,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:32,024 INFO L229 MonitoredProcess]: Starting monitored process 1139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:32,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1139)] Waiting until timeout for monitored process [2024-11-08 22:35:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:32,083 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:32,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:32,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:32,162 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:32,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1139)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:32,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:32,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:32,172 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:32,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:32,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:32,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:32,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:32,173 INFO L229 MonitoredProcess]: Starting monitored process 1140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:32,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1140)] Waiting until timeout for monitored process [2024-11-08 22:35:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:32,234 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:32,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:32,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:32,317 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:32,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1140)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:32,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:32,327 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:32,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:32,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:32,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:32,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:32,328 INFO L229 MonitoredProcess]: Starting monitored process 1141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:32,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1141)] Waiting until timeout for monitored process [2024-11-08 22:35:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:32,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:32,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:32,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:32,467 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:32,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1141)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:32,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:32,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:32,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:32,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:32,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:32,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:32,478 INFO L229 MonitoredProcess]: Starting monitored process 1142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:32,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1142)] Waiting until timeout for monitored process [2024-11-08 22:35:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:32,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:32,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:32,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:32,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1142)] Ended with exit code 0 [2024-11-08 22:35:32,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:32,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:32,676 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:32,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:32,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:32,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:32,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:32,678 INFO L229 MonitoredProcess]: Starting monitored process 1143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:32,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1143)] Waiting until timeout for monitored process [2024-11-08 22:35:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:32,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:32,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:32,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:32,839 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:32,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1143)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:32,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:32,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:32,849 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:32,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:32,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:32,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:32,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:32,850 INFO L229 MonitoredProcess]: Starting monitored process 1144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:32,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1144)] Waiting until timeout for monitored process [2024-11-08 22:35:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:32,923 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:32,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:32,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:33,005 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:33,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1144)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:33,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:33,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:33,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:33,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:33,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:33,021 INFO L229 MonitoredProcess]: Starting monitored process 1145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:33,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1145)] Waiting until timeout for monitored process [2024-11-08 22:35:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:33,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:33,159 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:33,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1145)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:33,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:33,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:33,170 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:33,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:33,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:33,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:33,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:33,171 INFO L229 MonitoredProcess]: Starting monitored process 1146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:33,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1146)] Waiting until timeout for monitored process [2024-11-08 22:35:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:33,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:33,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1146)] Ended with exit code 0 [2024-11-08 22:35:33,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:33,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:33,321 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:33,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:33,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:33,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:33,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:33,322 INFO L229 MonitoredProcess]: Starting monitored process 1147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:33,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1147)] Waiting until timeout for monitored process [2024-11-08 22:35:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:33,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:33,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1147)] Ended with exit code 0 [2024-11-08 22:35:33,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:33,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:33,473 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:33,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:33,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:33,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:33,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:33,474 INFO L229 MonitoredProcess]: Starting monitored process 1148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:33,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1148)] Waiting until timeout for monitored process [2024-11-08 22:35:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:33,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:33,615 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:33,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1148)] Ended with exit code 0 [2024-11-08 22:35:33,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:33,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:33,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:33,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:33,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:33,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:33,632 INFO L229 MonitoredProcess]: Starting monitored process 1149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:33,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1149)] Waiting until timeout for monitored process [2024-11-08 22:35:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:35:33,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:33,755 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:33,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1149)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:33,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:33,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:33,769 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:33,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:33,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:33,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:33,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:33,770 INFO L229 MonitoredProcess]: Starting monitored process 1150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:33,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1150)] Waiting until timeout for monitored process [2024-11-08 22:35:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,829 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:33,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:33,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1150)] Ended with exit code 0 [2024-11-08 22:35:33,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:33,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:33,920 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:33,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:33,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:33,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:33,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:33,921 INFO L229 MonitoredProcess]: Starting monitored process 1151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:33,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1151)] Waiting until timeout for monitored process [2024-11-08 22:35:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:33,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:34,060 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:34,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1151)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:34,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:34,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:34,070 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:34,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:34,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:34,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:34,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:34,071 INFO L229 MonitoredProcess]: Starting monitored process 1152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:34,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1152)] Waiting until timeout for monitored process [2024-11-08 22:35:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:34,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:34,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:34,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:34,217 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:34,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1152)] Ended with exit code 0 [2024-11-08 22:35:34,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:34,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:34,230 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:34,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:34,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:34,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:34,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:34,231 INFO L229 MonitoredProcess]: Starting monitored process 1153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:34,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1153)] Waiting until timeout for monitored process [2024-11-08 22:35:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:34,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:34,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:34,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:34,372 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:34,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1153)] Ended with exit code 0 [2024-11-08 22:35:34,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:34,385 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:34,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:34,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:34,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:34,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:34,391 INFO L229 MonitoredProcess]: Starting monitored process 1154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:34,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1154)] Waiting until timeout for monitored process [2024-11-08 22:35:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:34,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:34,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:34,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:34,541 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:34,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1154)] Ended with exit code 0 [2024-11-08 22:35:34,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:34,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:34,550 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:34,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:34,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:34,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:34,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:34,552 INFO L229 MonitoredProcess]: Starting monitored process 1155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:34,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1155)] Waiting until timeout for monitored process [2024-11-08 22:35:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:34,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:34,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:34,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:34,702 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:34,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1155)] Ended with exit code 0 [2024-11-08 22:35:34,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:34,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:34,712 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:34,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:34,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:34,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:34,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:34,713 INFO L229 MonitoredProcess]: Starting monitored process 1156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:34,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1156)] Waiting until timeout for monitored process [2024-11-08 22:35:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:34,773 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:34,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:34,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:34,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1156)] Ended with exit code 0 [2024-11-08 22:35:34,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:34,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:34,864 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:34,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:34,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:34,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:34,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:34,865 INFO L229 MonitoredProcess]: Starting monitored process 1157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:34,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1157)] Waiting until timeout for monitored process [2024-11-08 22:35:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:34,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:34,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:34,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:35,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1157)] Ended with exit code 0 [2024-11-08 22:35:35,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:35,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:35,012 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:35,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:35,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:35,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:35,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:35,013 INFO L229 MonitoredProcess]: Starting monitored process 1158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:35,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1158)] Waiting until timeout for monitored process [2024-11-08 22:35:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:35,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:35,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1158)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:35,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:35,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:35,163 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:35,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:35,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:35,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:35,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:35,164 INFO L229 MonitoredProcess]: Starting monitored process 1159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:35,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1159)] Waiting until timeout for monitored process [2024-11-08 22:35:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:35,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:35,303 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:35,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1159)] Ended with exit code 0 [2024-11-08 22:35:35,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:35,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:35,313 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:35,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:35,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:35,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:35,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:35,314 INFO L229 MonitoredProcess]: Starting monitored process 1160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:35,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1160)] Waiting until timeout for monitored process [2024-11-08 22:35:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,374 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:35,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:35,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1160)] Ended with exit code 0 [2024-11-08 22:35:35,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:35,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:35,466 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:35,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:35,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:35,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:35,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:35,467 INFO L229 MonitoredProcess]: Starting monitored process 1161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:35,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1161)] Waiting until timeout for monitored process [2024-11-08 22:35:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:35,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:35,609 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:35,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1161)] Ended with exit code 0 [2024-11-08 22:35:35,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:35,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:35,618 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:35,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:35,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:35,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:35,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:35,619 INFO L229 MonitoredProcess]: Starting monitored process 1162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:35,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1162)] Waiting until timeout for monitored process [2024-11-08 22:35:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,678 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:35,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:35,758 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:35,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1162)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:35,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:35,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:35,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:35,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:35,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:35,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:35,769 INFO L229 MonitoredProcess]: Starting monitored process 1163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:35,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1163)] Waiting until timeout for monitored process [2024-11-08 22:35:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:35,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:35,908 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:35,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1163)] Ended with exit code 0 [2024-11-08 22:35:35,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:35,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:35,918 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:35,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:35,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:35,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:35,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:35,919 INFO L229 MonitoredProcess]: Starting monitored process 1164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:35,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1164)] Waiting until timeout for monitored process [2024-11-08 22:35:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:35,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:36,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1164)] Ended with exit code 0 [2024-11-08 22:35:36,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:36,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:36,072 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:36,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:36,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:36,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:36,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:36,073 INFO L229 MonitoredProcess]: Starting monitored process 1165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:36,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1165)] Waiting until timeout for monitored process [2024-11-08 22:35:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:36,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:36,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:36,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:36,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1165)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:36,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:36,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:36,223 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:36,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:36,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:36,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:36,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:36,224 INFO L229 MonitoredProcess]: Starting monitored process 1166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:36,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1166)] Waiting until timeout for monitored process [2024-11-08 22:35:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:36,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:36,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:36,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:36,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1166)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:36,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:36,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:36,373 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:36,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:36,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:36,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:36,375 INFO L229 MonitoredProcess]: Starting monitored process 1167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:36,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1167)] Waiting until timeout for monitored process [2024-11-08 22:35:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:36,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:36,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:36,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:36,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1167)] Ended with exit code 0 [2024-11-08 22:35:36,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:36,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:36,525 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:36,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:36,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:36,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:36,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:36,528 INFO L229 MonitoredProcess]: Starting monitored process 1168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:36,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1168)] Waiting until timeout for monitored process [2024-11-08 22:35:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:36,595 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:36,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:36,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:36,679 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:36,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1168)] Ended with exit code 0 [2024-11-08 22:35:36,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:36,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:36,689 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:36,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:36,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:36,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:36,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:36,690 INFO L229 MonitoredProcess]: Starting monitored process 1169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:36,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1169)] Waiting until timeout for monitored process [2024-11-08 22:35:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:36,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:36,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:36,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:36,831 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:36,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1169)] Ended with exit code 0 [2024-11-08 22:35:36,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:36,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:36,841 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:36,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:36,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:36,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:36,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:36,842 INFO L229 MonitoredProcess]: Starting monitored process 1170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:36,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1170)] Waiting until timeout for monitored process [2024-11-08 22:35:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:36,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:36,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:36,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:36,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1170)] Ended with exit code 0 [2024-11-08 22:35:36,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:36,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:36,992 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:36,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:36,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:36,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:36,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:36,994 INFO L229 MonitoredProcess]: Starting monitored process 1171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:36,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1171)] Waiting until timeout for monitored process [2024-11-08 22:35:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:37,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:37,135 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:37,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1171)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:37,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:37,145 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:37,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:37,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:37,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:37,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:37,146 INFO L229 MonitoredProcess]: Starting monitored process 1172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:37,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1172)] Waiting until timeout for monitored process [2024-11-08 22:35:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:37,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:37,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1172)] Ended with exit code 0 [2024-11-08 22:35:37,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:37,299 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:37,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:37,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:37,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:37,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:37,301 INFO L229 MonitoredProcess]: Starting monitored process 1173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:37,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1173)] Waiting until timeout for monitored process [2024-11-08 22:35:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:37,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:37,436 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:37,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1173)] Ended with exit code 0 [2024-11-08 22:35:37,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:37,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:37,445 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:37,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:37,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:37,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:37,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:37,446 INFO L229 MonitoredProcess]: Starting monitored process 1174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:37,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1174)] Waiting until timeout for monitored process [2024-11-08 22:35:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:37,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:37,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1174)] Ended with exit code 0 [2024-11-08 22:35:37,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:37,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:37,594 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:37,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:37,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:37,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:37,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:37,595 INFO L229 MonitoredProcess]: Starting monitored process 1175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:37,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1175)] Waiting until timeout for monitored process [2024-11-08 22:35:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,655 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:37,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:37,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1175)] Ended with exit code 0 [2024-11-08 22:35:37,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:37,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:37,743 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:37,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:37,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:37,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:37,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:37,745 INFO L229 MonitoredProcess]: Starting monitored process 1176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:37,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1176)] Waiting until timeout for monitored process [2024-11-08 22:35:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,804 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:37,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:37,892 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:37,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1176)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:37,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:37,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:37,902 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:37,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:37,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:37,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:37,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:37,903 INFO L229 MonitoredProcess]: Starting monitored process 1177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:37,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1177)] Waiting until timeout for monitored process [2024-11-08 22:35:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:37,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:38,040 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:38,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1177)] Ended with exit code 0 [2024-11-08 22:35:38,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:38,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:38,050 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:38,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:38,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:38,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:38,051 INFO L229 MonitoredProcess]: Starting monitored process 1178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:38,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1178)] Waiting until timeout for monitored process [2024-11-08 22:35:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:38,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:38,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:38,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:38,187 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:38,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1178)] Ended with exit code 0 [2024-11-08 22:35:38,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:38,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:38,197 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:38,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:38,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:38,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:38,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:38,198 INFO L229 MonitoredProcess]: Starting monitored process 1179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:38,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1179)] Waiting until timeout for monitored process [2024-11-08 22:35:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:38,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:38,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:38,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:38,336 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:38,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1179)] Ended with exit code 0 [2024-11-08 22:35:38,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:38,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:38,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:38,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:38,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:38,347 INFO L229 MonitoredProcess]: Starting monitored process 1180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:38,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1180)] Waiting until timeout for monitored process [2024-11-08 22:35:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:38,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:38,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:38,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:38,490 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:38,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1180)] Ended with exit code 0 [2024-11-08 22:35:38,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:38,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:38,500 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:38,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:38,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:38,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:38,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:38,501 INFO L229 MonitoredProcess]: Starting monitored process 1181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:38,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1181)] Waiting until timeout for monitored process [2024-11-08 22:35:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:38,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:38,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:38,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:38,646 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:38,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1181)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:38,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:38,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:38,657 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:38,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:38,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:38,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:38,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:38,658 INFO L229 MonitoredProcess]: Starting monitored process 1182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:38,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1182)] Waiting until timeout for monitored process [2024-11-08 22:35:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:38,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:38,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:38,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:38,798 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:38,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1182)] Ended with exit code 0 [2024-11-08 22:35:38,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:38,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:38,809 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:38,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:38,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:38,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:38,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:38,810 INFO L229 MonitoredProcess]: Starting monitored process 1183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:38,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1183)] Waiting until timeout for monitored process [2024-11-08 22:35:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:38,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:38,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:38,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:38,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1183)] Ended with exit code 0 [2024-11-08 22:35:38,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:38,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:38,964 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:38,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:38,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:38,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:38,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:38,965 INFO L229 MonitoredProcess]: Starting monitored process 1184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:38,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1184)] Waiting until timeout for monitored process [2024-11-08 22:35:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:39,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:39,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:39,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:39,109 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:39,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1184)] Ended with exit code 0 [2024-11-08 22:35:39,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:39,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:39,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:39,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:39,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:39,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:39,120 INFO L229 MonitoredProcess]: Starting monitored process 1185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:39,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1185)] Waiting until timeout for monitored process [2024-11-08 22:35:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:39,183 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:39,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:39,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:39,262 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:39,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1185)] Ended with exit code 0 [2024-11-08 22:35:39,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:39,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:39,272 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:39,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:39,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:39,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:39,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:39,273 INFO L229 MonitoredProcess]: Starting monitored process 1186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:39,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1186)] Waiting until timeout for monitored process [2024-11-08 22:35:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:39,333 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:39,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:39,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:39,410 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:39,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1186)] Ended with exit code 0 [2024-11-08 22:35:39,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:39,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:39,420 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:39,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:39,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:39,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:39,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:39,422 INFO L229 MonitoredProcess]: Starting monitored process 1187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:39,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1187)] Waiting until timeout for monitored process [2024-11-08 22:35:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:39,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:39,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:39,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:39,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1187)] Ended with exit code 0 [2024-11-08 22:35:39,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:39,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:39,570 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:39,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:39,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:39,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:39,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:39,571 INFO L229 MonitoredProcess]: Starting monitored process 1188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:39,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1188)] Waiting until timeout for monitored process [2024-11-08 22:35:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:39,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:39,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:39,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:39,708 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:39,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1188)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:39,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:39,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:39,721 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:39,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:39,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:39,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:39,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:39,722 INFO L229 MonitoredProcess]: Starting monitored process 1189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:39,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1189)] Waiting until timeout for monitored process [2024-11-08 22:35:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:39,784 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:39,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:39,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:39,864 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:39,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1189)] Ended with exit code 0 [2024-11-08 22:35:39,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:39,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:39,874 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:39,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:39,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:39,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:39,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:39,875 INFO L229 MonitoredProcess]: Starting monitored process 1190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:39,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1190)] Waiting until timeout for monitored process [2024-11-08 22:35:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:39,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:39,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:39,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:40,012 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:40,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1190)] Ended with exit code 0 [2024-11-08 22:35:40,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:40,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:40,022 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:40,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:40,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:40,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:40,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:40,023 INFO L229 MonitoredProcess]: Starting monitored process 1191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:40,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1191)] Waiting until timeout for monitored process [2024-11-08 22:35:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:40,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:40,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:40,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:40,159 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:40,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1191)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:40,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:40,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:40,169 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:40,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:40,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:40,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:40,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:40,170 INFO L229 MonitoredProcess]: Starting monitored process 1192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:40,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1192)] Waiting until timeout for monitored process [2024-11-08 22:35:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:40,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:40,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:40,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:40,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1192)] Ended with exit code 0 [2024-11-08 22:35:40,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:40,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:40,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:40,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:40,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:40,323 INFO L229 MonitoredProcess]: Starting monitored process 1193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:40,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1193)] Waiting until timeout for monitored process [2024-11-08 22:35:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:40,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:40,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:40,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:40,461 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:40,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1193)] Ended with exit code 0 [2024-11-08 22:35:40,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:40,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:40,470 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:40,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:40,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:40,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:40,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:40,472 INFO L229 MonitoredProcess]: Starting monitored process 1194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:40,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1194)] Waiting until timeout for monitored process [2024-11-08 22:35:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:40,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:40,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:40,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:40,613 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:40,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1194)] Ended with exit code 0 [2024-11-08 22:35:40,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:40,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:40,623 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:40,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:40,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:40,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:40,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:40,624 INFO L229 MonitoredProcess]: Starting monitored process 1195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:40,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1195)] Waiting until timeout for monitored process [2024-11-08 22:35:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:40,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:40,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:40,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:40,761 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:40,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1195)] Ended with exit code 0 [2024-11-08 22:35:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:40,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:40,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:40,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:40,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:40,772 INFO L229 MonitoredProcess]: Starting monitored process 1196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:40,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1196)] Waiting until timeout for monitored process [2024-11-08 22:35:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:40,841 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:40,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:40,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:40,918 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:40,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1196)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:40,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:40,931 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:40,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:40,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:40,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:40,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:40,932 INFO L229 MonitoredProcess]: Starting monitored process 1197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:40,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1197)] Waiting until timeout for monitored process [2024-11-08 22:35:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:40,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:41,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:41,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:41,070 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:41,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1197)] Ended with exit code 0 [2024-11-08 22:35:41,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:41,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:41,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:41,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:41,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:41,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:41,081 INFO L229 MonitoredProcess]: Starting monitored process 1198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:41,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1198)] Waiting until timeout for monitored process [2024-11-08 22:35:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:41,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:41,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:41,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:41,222 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:41,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1198)] Ended with exit code 0 [2024-11-08 22:35:41,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:41,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:41,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:41,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:41,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:41,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:41,233 INFO L229 MonitoredProcess]: Starting monitored process 1199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:41,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1199)] Waiting until timeout for monitored process [2024-11-08 22:35:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:41,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:41,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:41,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:41,372 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:41,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1199)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:41,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:41,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:41,382 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:41,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:41,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:41,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:41,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:41,383 INFO L229 MonitoredProcess]: Starting monitored process 1200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:41,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1200)] Waiting until timeout for monitored process [2024-11-08 22:35:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:41,452 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:41,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:41,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:41,530 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:41,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1200)] Ended with exit code 0 [2024-11-08 22:35:41,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:41,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:41,544 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:41,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:41,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:41,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:41,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:41,545 INFO L229 MonitoredProcess]: Starting monitored process 1201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:41,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1201)] Waiting until timeout for monitored process [2024-11-08 22:35:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:41,606 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:41,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:41,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:41,685 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:41,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1201)] Ended with exit code 0 [2024-11-08 22:35:41,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:41,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:41,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:41,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:41,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:41,696 INFO L229 MonitoredProcess]: Starting monitored process 1202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:41,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1202)] Waiting until timeout for monitored process [2024-11-08 22:35:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:41,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:41,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:41,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:41,834 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:41,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1202)] Ended with exit code 0 [2024-11-08 22:35:41,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:41,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:41,844 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:41,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:41,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:41,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:41,845 INFO L229 MonitoredProcess]: Starting monitored process 1203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:41,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1203)] Waiting until timeout for monitored process [2024-11-08 22:35:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:41,905 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:41,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:41,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:41,984 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:41,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1203)] Ended with exit code 0 [2024-11-08 22:35:41,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:41,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:41,994 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:41,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:41,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:41,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:41,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:41,995 INFO L229 MonitoredProcess]: Starting monitored process 1204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:41,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1204)] Waiting until timeout for monitored process [2024-11-08 22:35:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:42,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:42,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:42,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:42,135 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:42,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1204)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:42,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:42,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:42,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:42,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:42,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:42,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:42,149 INFO L229 MonitoredProcess]: Starting monitored process 1205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:42,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1205)] Waiting until timeout for monitored process [2024-11-08 22:35:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:42,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:42,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:42,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:42,289 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:42,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1205)] Ended with exit code 0 [2024-11-08 22:35:42,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:42,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:42,299 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:42,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:42,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:42,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:42,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:42,300 INFO L229 MonitoredProcess]: Starting monitored process 1206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:42,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1206)] Waiting until timeout for monitored process [2024-11-08 22:35:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:42,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:42,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:42,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:42,439 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:42,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1206)] Ended with exit code 0 [2024-11-08 22:35:42,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:42,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:42,449 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:42,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:42,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:42,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:42,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:42,450 INFO L229 MonitoredProcess]: Starting monitored process 1207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:42,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1207)] Waiting until timeout for monitored process [2024-11-08 22:35:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:42,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:42,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:42,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:42,621 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:42,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1207)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:42,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:42,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:42,634 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:42,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:42,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:42,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:42,636 INFO L229 MonitoredProcess]: Starting monitored process 1208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:42,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1208)] Waiting until timeout for monitored process [2024-11-08 22:35:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:42,725 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:42,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:42,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:42,807 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:42,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1208)] Ended with exit code 0 [2024-11-08 22:35:42,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:42,821 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:42,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:42,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:42,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:42,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:42,822 INFO L229 MonitoredProcess]: Starting monitored process 1209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:42,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1209)] Waiting until timeout for monitored process [2024-11-08 22:35:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:42,886 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:42,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:42,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:42,972 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:42,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1209)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:42,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:42,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:42,982 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:42,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:42,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:42,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:42,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:42,983 INFO L229 MonitoredProcess]: Starting monitored process 1210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:42,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1210)] Waiting until timeout for monitored process [2024-11-08 22:35:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:43,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:43,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:43,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:43,126 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:43,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1210)] Ended with exit code 0 [2024-11-08 22:35:43,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:43,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:43,135 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:43,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:43,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:43,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:43,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:43,136 INFO L229 MonitoredProcess]: Starting monitored process 1211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:43,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1211)] Waiting until timeout for monitored process [2024-11-08 22:35:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:43,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:43,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:43,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:43,279 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:43,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1211)] Ended with exit code 0 [2024-11-08 22:35:43,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:43,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:43,289 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:43,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:43,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:43,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:43,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:43,290 INFO L229 MonitoredProcess]: Starting monitored process 1212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:43,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1212)] Waiting until timeout for monitored process [2024-11-08 22:35:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:43,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:43,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:43,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:43,439 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:43,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1212)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:43,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:43,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:43,452 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:43,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:43,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:43,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:43,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:43,453 INFO L229 MonitoredProcess]: Starting monitored process 1213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:43,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1213)] Waiting until timeout for monitored process [2024-11-08 22:35:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:43,515 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:43,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:43,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:43,596 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:43,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1213)] Ended with exit code 0 [2024-11-08 22:35:43,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:43,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:43,606 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:43,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:43,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:43,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:43,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:43,607 INFO L229 MonitoredProcess]: Starting monitored process 1214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:43,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1214)] Waiting until timeout for monitored process [2024-11-08 22:35:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:43,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:43,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:43,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:43,747 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:43,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1214)] Ended with exit code 0 [2024-11-08 22:35:43,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:43,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:43,757 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:43,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:43,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:43,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:43,758 INFO L229 MonitoredProcess]: Starting monitored process 1215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:43,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1215)] Waiting until timeout for monitored process [2024-11-08 22:35:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:43,820 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:43,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:43,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:43,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1215)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:43,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:43,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:43,912 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:43,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:43,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:43,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:43,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:43,913 INFO L229 MonitoredProcess]: Starting monitored process 1216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:43,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1216)] Waiting until timeout for monitored process [2024-11-08 22:35:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:43,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:43,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:43,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:44,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1216)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:44,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:44,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:44,072 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:44,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:44,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:44,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:44,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:44,073 INFO L229 MonitoredProcess]: Starting monitored process 1217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:44,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1217)] Waiting until timeout for monitored process [2024-11-08 22:35:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:44,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:44,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:44,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:44,212 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:44,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1217)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:44,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:44,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:44,223 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:44,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:44,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:44,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:44,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:44,224 INFO L229 MonitoredProcess]: Starting monitored process 1218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:44,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1218)] Waiting until timeout for monitored process [2024-11-08 22:35:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:44,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:44,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:44,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:44,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1218)] Ended with exit code 0 [2024-11-08 22:35:44,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:44,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:44,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:44,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:44,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:44,375 INFO L229 MonitoredProcess]: Starting monitored process 1219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:44,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1219)] Waiting until timeout for monitored process [2024-11-08 22:35:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:44,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:44,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:44,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:44,513 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:44,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1219)] Ended with exit code 0 [2024-11-08 22:35:44,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:44,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:44,522 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:44,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:44,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:44,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:44,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:44,523 INFO L229 MonitoredProcess]: Starting monitored process 1220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:44,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1220)] Waiting until timeout for monitored process [2024-11-08 22:35:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:44,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:44,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:44,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:44,667 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:44,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1220)] Ended with exit code 0 [2024-11-08 22:35:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:44,677 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:44,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:44,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:44,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:44,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:44,678 INFO L229 MonitoredProcess]: Starting monitored process 1221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:44,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1221)] Waiting until timeout for monitored process [2024-11-08 22:35:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:44,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:44,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:44,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:44,819 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:44,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1221)] Ended with exit code 0 [2024-11-08 22:35:44,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:44,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:44,829 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:44,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:44,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:44,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:44,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:44,830 INFO L229 MonitoredProcess]: Starting monitored process 1222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:44,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1222)] Waiting until timeout for monitored process [2024-11-08 22:35:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:44,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:44,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:44,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:44,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1222)] Ended with exit code 0 [2024-11-08 22:35:44,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:44,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:44,980 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:44,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:44,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:44,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:44,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:44,981 INFO L229 MonitoredProcess]: Starting monitored process 1223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:44,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1223)] Waiting until timeout for monitored process [2024-11-08 22:35:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,040 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:45,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:45,120 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:45,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1223)] Ended with exit code 0 [2024-11-08 22:35:45,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:45,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:45,130 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:45,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:45,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:45,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:45,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:45,131 INFO L229 MonitoredProcess]: Starting monitored process 1224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:45,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1224)] Waiting until timeout for monitored process [2024-11-08 22:35:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,201 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:45,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:45,280 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:45,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1224)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:45,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:45,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:45,293 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:45,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:45,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:45,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:45,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:45,294 INFO L229 MonitoredProcess]: Starting monitored process 1225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:45,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1225)] Waiting until timeout for monitored process [2024-11-08 22:35:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:45,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:45,433 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:45,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1225)] Ended with exit code 0 [2024-11-08 22:35:45,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:45,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:45,442 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:45,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:45,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:45,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:45,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:45,443 INFO L229 MonitoredProcess]: Starting monitored process 1226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:45,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1226)] Waiting until timeout for monitored process [2024-11-08 22:35:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,502 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:45,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:45,582 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:45,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1226)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:45,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:45,592 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:45,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:45,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:45,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:45,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:45,593 INFO L229 MonitoredProcess]: Starting monitored process 1227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:45,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1227)] Waiting until timeout for monitored process [2024-11-08 22:35:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,653 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:45,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:45,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1227)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:45,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:45,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:45,742 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:45,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:45,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:45,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:45,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:45,743 INFO L229 MonitoredProcess]: Starting monitored process 1228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:45,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1228)] Waiting until timeout for monitored process [2024-11-08 22:35:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,804 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:45,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:45,884 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:45,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1228)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:45,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:45,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:45,897 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:45,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:45,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:45,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:45,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:45,898 INFO L229 MonitoredProcess]: Starting monitored process 1229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:45,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1229)] Waiting until timeout for monitored process [2024-11-08 22:35:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:45,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:46,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1229)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:46,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:46,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:46,047 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:46,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:46,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:46,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:46,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:46,048 INFO L229 MonitoredProcess]: Starting monitored process 1230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:46,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1230)] Waiting until timeout for monitored process [2024-11-08 22:35:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:46,108 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:46,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:46,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:46,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1230)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:46,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:46,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:46,198 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:46,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:46,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:46,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:46,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:46,199 INFO L229 MonitoredProcess]: Starting monitored process 1231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:46,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1231)] Waiting until timeout for monitored process [2024-11-08 22:35:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:46,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:46,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:46,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:46,337 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:46,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1231)] Ended with exit code 0 [2024-11-08 22:35:46,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:46,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:46,348 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:46,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:46,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:46,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:46,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:46,349 INFO L229 MonitoredProcess]: Starting monitored process 1232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:46,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1232)] Waiting until timeout for monitored process [2024-11-08 22:35:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:46,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:46,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:46,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:46,490 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:46,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1232)] Ended with exit code 0 [2024-11-08 22:35:46,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:46,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:46,500 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:46,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:46,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:46,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:46,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:46,502 INFO L229 MonitoredProcess]: Starting monitored process 1233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:46,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1233)] Waiting until timeout for monitored process [2024-11-08 22:35:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:46,562 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:46,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:46,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:46,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1233)] Ended with exit code 0 [2024-11-08 22:35:46,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:46,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:46,651 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:46,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:46,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:46,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:46,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:46,652 INFO L229 MonitoredProcess]: Starting monitored process 1234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:46,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1234)] Waiting until timeout for monitored process [2024-11-08 22:35:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:46,710 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:46,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:46,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:46,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1234)] Ended with exit code 0 [2024-11-08 22:35:46,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:46,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:46,797 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:46,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:46,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:46,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:46,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:46,798 INFO L229 MonitoredProcess]: Starting monitored process 1235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:46,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1235)] Waiting until timeout for monitored process [2024-11-08 22:35:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:46,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:46,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:46,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:46,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1235)] Ended with exit code 0 [2024-11-08 22:35:46,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:46,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:46,946 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:46,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:46,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:46,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:46,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:46,947 INFO L229 MonitoredProcess]: Starting monitored process 1236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:46,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1236)] Waiting until timeout for monitored process [2024-11-08 22:35:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:47,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:47,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:47,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:47,086 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:47,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1236)] Ended with exit code 0 [2024-11-08 22:35:47,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:47,099 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:47,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:47,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:47,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:47,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:47,100 INFO L229 MonitoredProcess]: Starting monitored process 1237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:47,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1237)] Waiting until timeout for monitored process [2024-11-08 22:35:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:47,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:47,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:47,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:47,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1237)] Ended with exit code 0 [2024-11-08 22:35:47,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:47,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:47,251 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:47,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:47,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:47,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:47,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:47,254 INFO L229 MonitoredProcess]: Starting monitored process 1238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:47,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1238)] Waiting until timeout for monitored process [2024-11-08 22:35:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:47,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:47,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:47,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:47,396 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:47,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1238)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:47,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:47,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:47,406 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:47,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:47,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:47,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:47,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:47,407 INFO L229 MonitoredProcess]: Starting monitored process 1239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:47,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1239)] Waiting until timeout for monitored process [2024-11-08 22:35:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:47,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:47,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:47,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:47,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1239)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:47,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:47,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:47,556 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:47,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:47,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:47,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:47,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:47,558 INFO L229 MonitoredProcess]: Starting monitored process 1240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:47,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1240)] Waiting until timeout for monitored process [2024-11-08 22:35:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:47,617 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:47,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:47,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:47,697 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:47,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1240)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:47,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:47,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:47,711 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:47,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:47,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:47,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:47,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:47,712 INFO L229 MonitoredProcess]: Starting monitored process 1241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:47,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1241)] Waiting until timeout for monitored process [2024-11-08 22:35:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:47,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:47,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:47,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:47,851 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:47,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1241)] Ended with exit code 0 [2024-11-08 22:35:47,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:47,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:47,861 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:47,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:47,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:47,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:47,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:47,863 INFO L229 MonitoredProcess]: Starting monitored process 1242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:47,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1242)] Waiting until timeout for monitored process [2024-11-08 22:35:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:47,923 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:47,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:47,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:48,002 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:48,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1242)] Ended with exit code 0 [2024-11-08 22:35:48,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:48,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:48,012 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:48,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:48,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:48,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:48,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:48,013 INFO L229 MonitoredProcess]: Starting monitored process 1243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:48,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1243)] Waiting until timeout for monitored process [2024-11-08 22:35:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:48,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:48,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:48,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:48,153 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:48,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1243)] Ended with exit code 0 [2024-11-08 22:35:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:48,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:48,163 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:48,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:48,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:48,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:48,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:48,164 INFO L229 MonitoredProcess]: Starting monitored process 1244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:48,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1244)] Waiting until timeout for monitored process [2024-11-08 22:35:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:48,225 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:48,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:48,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:48,309 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:48,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1244)] Ended with exit code 0 [2024-11-08 22:35:48,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:48,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:48,319 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:48,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:48,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:48,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:48,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:48,320 INFO L229 MonitoredProcess]: Starting monitored process 1245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:48,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1245)] Waiting until timeout for monitored process [2024-11-08 22:35:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:48,381 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:48,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:48,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:48,459 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:48,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1245)] Ended with exit code 0 [2024-11-08 22:35:48,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:48,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:48,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:48,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:48,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:48,470 INFO L229 MonitoredProcess]: Starting monitored process 1246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:48,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1246)] Waiting until timeout for monitored process [2024-11-08 22:35:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:48,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:48,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:48,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:48,609 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:48,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1246)] Ended with exit code 0 [2024-11-08 22:35:48,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:48,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:48,619 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:48,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:48,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:48,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:48,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:48,621 INFO L229 MonitoredProcess]: Starting monitored process 1247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:48,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1247)] Waiting until timeout for monitored process [2024-11-08 22:35:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:48,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:48,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:48,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:48,762 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:48,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1247)] Ended with exit code 0 [2024-11-08 22:35:48,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:48,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:48,772 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:48,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:48,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:48,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:48,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:48,773 INFO L229 MonitoredProcess]: Starting monitored process 1248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:48,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1248)] Waiting until timeout for monitored process [2024-11-08 22:35:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:48,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:48,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:48,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:48,924 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:48,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1248)] Ended with exit code 0 [2024-11-08 22:35:48,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:48,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:48,934 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:48,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:48,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:48,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:48,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:48,936 INFO L229 MonitoredProcess]: Starting monitored process 1249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:48,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1249)] Waiting until timeout for monitored process [2024-11-08 22:35:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:48,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:49,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:49,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:49,076 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:49,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1249)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:49,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:49,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:49,086 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:49,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:49,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:49,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:49,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:49,088 INFO L229 MonitoredProcess]: Starting monitored process 1250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:49,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1250)] Waiting until timeout for monitored process [2024-11-08 22:35:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:49,147 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:49,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:49,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:49,228 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:49,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1250)] Ended with exit code 0 [2024-11-08 22:35:49,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:49,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:49,237 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:49,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:49,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:49,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:49,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:49,238 INFO L229 MonitoredProcess]: Starting monitored process 1251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:49,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1251)] Waiting until timeout for monitored process [2024-11-08 22:35:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:49,299 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:49,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:49,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:49,379 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:49,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1251)] Ended with exit code 0 [2024-11-08 22:35:49,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:49,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:49,389 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:49,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:49,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:49,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:49,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:49,390 INFO L229 MonitoredProcess]: Starting monitored process 1252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:49,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1252)] Waiting until timeout for monitored process [2024-11-08 22:35:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:49,449 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:49,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:49,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:49,533 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:49,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1252)] Ended with exit code 0 [2024-11-08 22:35:49,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:49,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:49,543 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:49,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:49,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:49,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:49,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:49,544 INFO L229 MonitoredProcess]: Starting monitored process 1253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:49,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1253)] Waiting until timeout for monitored process [2024-11-08 22:35:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:49,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:49,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:49,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:49,695 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:49,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1253)] Ended with exit code 0 [2024-11-08 22:35:49,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:49,705 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:49,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:49,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:49,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:49,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:49,706 INFO L229 MonitoredProcess]: Starting monitored process 1254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:49,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1254)] Waiting until timeout for monitored process [2024-11-08 22:35:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:49,768 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:49,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:49,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:49,848 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:49,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1254)] Ended with exit code 0 [2024-11-08 22:35:49,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:49,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:49,858 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:49,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:49,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:49,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:49,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:49,859 INFO L229 MonitoredProcess]: Starting monitored process 1255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:49,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1255)] Waiting until timeout for monitored process [2024-11-08 22:35:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:49,921 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:49,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:49,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:50,001 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:50,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1255)] Ended with exit code 0 [2024-11-08 22:35:50,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:50,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:50,011 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:50,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:50,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:50,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:50,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:50,012 INFO L229 MonitoredProcess]: Starting monitored process 1256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:50,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1256)] Waiting until timeout for monitored process [2024-11-08 22:35:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:50,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:50,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:50,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:50,153 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:50,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1256)] Ended with exit code 0 [2024-11-08 22:35:50,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:50,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:50,165 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:50,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:50,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:50,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:50,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:50,167 INFO L229 MonitoredProcess]: Starting monitored process 1257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:50,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1257)] Waiting until timeout for monitored process [2024-11-08 22:35:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:50,228 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:50,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:50,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:50,308 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:50,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1257)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:50,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:50,318 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:50,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:50,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:50,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:50,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:50,319 INFO L229 MonitoredProcess]: Starting monitored process 1258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:50,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1258)] Waiting until timeout for monitored process [2024-11-08 22:35:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:50,382 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:50,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:50,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:50,462 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:50,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1258)] Ended with exit code 0 [2024-11-08 22:35:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:50,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:50,472 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:50,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:50,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:50,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:50,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:50,473 INFO L229 MonitoredProcess]: Starting monitored process 1259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:50,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1259)] Waiting until timeout for monitored process [2024-11-08 22:35:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:50,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:50,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:50,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:50,614 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:50,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1259)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:50,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:50,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:50,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:50,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:50,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:50,625 INFO L229 MonitoredProcess]: Starting monitored process 1260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:50,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1260)] Waiting until timeout for monitored process [2024-11-08 22:35:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:50,685 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:50,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:50,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:50,766 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:50,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1260)] Ended with exit code 0 [2024-11-08 22:35:50,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:50,781 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:50,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:50,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:50,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:50,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:50,782 INFO L229 MonitoredProcess]: Starting monitored process 1261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:50,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1261)] Waiting until timeout for monitored process [2024-11-08 22:35:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:50,853 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:50,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:50,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:50,932 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:50,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1261)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:50,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:50,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:50,942 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:50,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:50,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:50,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:50,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:50,943 INFO L229 MonitoredProcess]: Starting monitored process 1262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:50,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1262)] Waiting until timeout for monitored process [2024-11-08 22:35:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:51,009 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:51,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:35:51,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:51,074 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:51,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1262)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:51,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:51,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:51,084 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:51,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:51,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:51,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:51,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:51,085 INFO L229 MonitoredProcess]: Starting monitored process 1263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:51,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1263)] Waiting until timeout for monitored process [2024-11-08 22:35:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:51,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:51,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:51,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:51,230 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:51,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1263)] Ended with exit code 0 [2024-11-08 22:35:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:51,240 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:51,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:51,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:51,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:51,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:51,241 INFO L229 MonitoredProcess]: Starting monitored process 1264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:51,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1264)] Waiting until timeout for monitored process [2024-11-08 22:35:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:51,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:51,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:51,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:51,380 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:51,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1264)] Ended with exit code 0 [2024-11-08 22:35:51,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:51,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:51,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:51,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:51,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:51,394 INFO L229 MonitoredProcess]: Starting monitored process 1265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:51,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1265)] Waiting until timeout for monitored process [2024-11-08 22:35:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:51,454 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:51,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:51,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:51,532 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:51,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1265)] Ended with exit code 0 [2024-11-08 22:35:51,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:51,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:51,542 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:51,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:51,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:51,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:51,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:51,543 INFO L229 MonitoredProcess]: Starting monitored process 1266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:51,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1266)] Waiting until timeout for monitored process [2024-11-08 22:35:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:51,607 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:51,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:51,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:51,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1266)] Ended with exit code 0 [2024-11-08 22:35:51,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:51,695 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:51,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:51,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:51,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:51,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:51,696 INFO L229 MonitoredProcess]: Starting monitored process 1267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:51,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1267)] Waiting until timeout for monitored process [2024-11-08 22:35:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:51,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:51,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:51,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:51,839 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:51,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1267)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:51,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:51,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:51,849 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:51,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:51,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:51,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:51,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:51,850 INFO L229 MonitoredProcess]: Starting monitored process 1268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:51,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1268)] Waiting until timeout for monitored process [2024-11-08 22:35:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:51,910 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:51,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:51,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:51,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1268)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:52,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:52,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:52,004 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:52,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:52,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:52,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:52,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:52,005 INFO L229 MonitoredProcess]: Starting monitored process 1269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:52,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1269)] Waiting until timeout for monitored process [2024-11-08 22:35:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:52,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:52,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:52,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:52,144 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:52,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1269)] Ended with exit code 0 [2024-11-08 22:35:52,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:52,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:52,153 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:52,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:52,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:52,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:52,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:52,154 INFO L229 MonitoredProcess]: Starting monitored process 1270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:52,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1270)] Waiting until timeout for monitored process [2024-11-08 22:35:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:52,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:52,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:52,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:52,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1270)] Ended with exit code 0 [2024-11-08 22:35:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:52,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:52,306 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:52,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:52,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:52,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:52,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:52,307 INFO L229 MonitoredProcess]: Starting monitored process 1271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:52,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1271)] Waiting until timeout for monitored process [2024-11-08 22:35:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:52,373 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:52,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:52,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:52,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1271)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:52,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:52,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:52,464 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:52,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:52,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:52,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:52,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:52,465 INFO L229 MonitoredProcess]: Starting monitored process 1272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:52,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1272)] Waiting until timeout for monitored process [2024-11-08 22:35:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:52,542 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:52,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:52,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:52,654 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:52,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1272)] Ended with exit code 0 [2024-11-08 22:35:52,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:52,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:52,672 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:52,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:52,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:52,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:52,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:52,675 INFO L229 MonitoredProcess]: Starting monitored process 1273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:52,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1273)] Waiting until timeout for monitored process [2024-11-08 22:35:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:52,759 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:52,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:52,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:52,842 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:52,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1273)] Ended with exit code 0 [2024-11-08 22:35:52,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:52,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:52,852 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:52,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:52,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:52,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:52,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:52,854 INFO L229 MonitoredProcess]: Starting monitored process 1274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:52,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1274)] Waiting until timeout for monitored process [2024-11-08 22:35:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:52,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:52,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:52,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:53,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:53,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1274)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:53,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:53,020 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:53,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:53,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:53,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:53,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:53,021 INFO L229 MonitoredProcess]: Starting monitored process 1275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:53,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1275)] Waiting until timeout for monitored process [2024-11-08 22:35:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:53,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:53,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:53,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:53,169 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:53,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1275)] Ended with exit code 0 [2024-11-08 22:35:53,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:53,178 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:53,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:53,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:53,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:53,179 INFO L229 MonitoredProcess]: Starting monitored process 1276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:53,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1276)] Waiting until timeout for monitored process [2024-11-08 22:35:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:53,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:53,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:53,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:53,321 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:53,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1276)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:53,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:53,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:53,334 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:53,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:53,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:53,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:53,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:53,335 INFO L229 MonitoredProcess]: Starting monitored process 1277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:53,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1277)] Waiting until timeout for monitored process [2024-11-08 22:35:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:53,394 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:53,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:53,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:53,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1277)] Ended with exit code 0 [2024-11-08 22:35:53,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:53,483 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:53,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:53,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:53,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:53,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:53,484 INFO L229 MonitoredProcess]: Starting monitored process 1278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:53,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1278)] Waiting until timeout for monitored process [2024-11-08 22:35:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:53,544 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:53,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:53,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:53,622 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:53,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1278)] Ended with exit code 0 [2024-11-08 22:35:53,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:53,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:53,632 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:53,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:53,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:53,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:53,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:53,633 INFO L229 MonitoredProcess]: Starting monitored process 1279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:53,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1279)] Waiting until timeout for monitored process [2024-11-08 22:35:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:53,692 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:53,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:53,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:53,771 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:53,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1279)] Ended with exit code 0 [2024-11-08 22:35:53,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:53,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:53,781 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:53,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:53,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:53,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:53,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:53,782 INFO L229 MonitoredProcess]: Starting monitored process 1280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:53,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1280)] Waiting until timeout for monitored process [2024-11-08 22:35:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:53,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:53,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:53,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:53,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1280)] Ended with exit code 0 [2024-11-08 22:35:53,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:53,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:53,936 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:53,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:53,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:53,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:53,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:53,937 INFO L229 MonitoredProcess]: Starting monitored process 1281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:53,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1281)] Waiting until timeout for monitored process [2024-11-08 22:35:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:54,024 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:54,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:54,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:54,103 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:54,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1281)] Ended with exit code 0 [2024-11-08 22:35:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:54,113 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:54,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:54,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:54,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:54,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:54,114 INFO L229 MonitoredProcess]: Starting monitored process 1282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:54,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1282)] Waiting until timeout for monitored process [2024-11-08 22:35:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:54,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:54,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:54,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:54,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1282)] Ended with exit code 0 [2024-11-08 22:35:54,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:54,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:54,267 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:54,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:54,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:54,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:54,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:54,268 INFO L229 MonitoredProcess]: Starting monitored process 1283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:54,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1283)] Waiting until timeout for monitored process [2024-11-08 22:35:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:54,329 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:54,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:54,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:54,408 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:54,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1283)] Ended with exit code 0 [2024-11-08 22:35:54,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:54,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:54,418 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:54,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:54,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:54,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:54,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:54,419 INFO L229 MonitoredProcess]: Starting monitored process 1284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:54,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1284)] Waiting until timeout for monitored process [2024-11-08 22:35:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:54,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:54,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:54,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:54,566 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:54,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1284)] Ended with exit code 0 [2024-11-08 22:35:54,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:54,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:54,576 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:54,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:54,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:54,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:54,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:54,577 INFO L229 MonitoredProcess]: Starting monitored process 1285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:54,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1285)] Waiting until timeout for monitored process [2024-11-08 22:35:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:54,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:54,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:54,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:54,718 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:54,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1285)] Ended with exit code 0 [2024-11-08 22:35:54,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:54,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:54,728 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:54,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:54,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:54,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:54,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:54,729 INFO L229 MonitoredProcess]: Starting monitored process 1286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:54,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1286)] Waiting until timeout for monitored process [2024-11-08 22:35:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:54,789 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:54,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:35:54,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:54,854 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:54,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1286)] Ended with exit code 0 [2024-11-08 22:35:54,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:54,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:54,863 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:54,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:54,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:54,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:54,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:54,864 INFO L229 MonitoredProcess]: Starting monitored process 1287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:54,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1287)] Waiting until timeout for monitored process [2024-11-08 22:35:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:54,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:54,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:54,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:55,004 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:55,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1287)] Ended with exit code 0 [2024-11-08 22:35:55,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:55,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:55,014 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:55,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:55,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:55,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:55,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:55,015 INFO L229 MonitoredProcess]: Starting monitored process 1288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:55,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1288)] Waiting until timeout for monitored process [2024-11-08 22:35:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:55,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:55,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:55,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:55,170 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:35:55,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1288)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:55,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:55,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-08 22:35:55,195 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-08 22:35:55,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:35:55,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:55,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:55,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:55,198 INFO L229 MonitoredProcess]: Starting monitored process 1289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:55,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b64223a-e5ec-4069-8511-1ffde334ce07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1289)] Waiting until timeout for monitored process [2024-11-08 22:35:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:55,273 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:55,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:55,291 INFO L278 TraceCheckSpWp]: Computing forward predicates...